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Morphology ( İngilizce )

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Dorsal spines (total): 1; Analspines: 0
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Life Cycle ( İngilizce )

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Oviparous (Ref. 205). Distinct pairing during breeding (Ref. 205).
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Diagnostic Description ( İngilizce )

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Diagnosis: gill slits not extending ventrally beyond pectoral-fin insertions (Ref. 57223). Post-orbital length at least 60% of snout length (Ref. 57223, 81251). Interorbital distance at most 86.6% of snout length; entire margin of opercle smooth (Ref. 81251). Maxillary barbels longer than head, unbranched, without tubercles and bordered by a short but distinct black basal membrane; outer mandibular barbels with few short, simple and rather thin ramifications, branches of inner mandibular barbels also simple, short and few, but thicker and sometimes tuberculate (Ref. 57223, 81251). Mandibular teeth moderately developed (Ref. 57223), movable (Ref. 81251), numbering 20-27 (20 in the holotype)(Ref. 57223, 81251). Pectoral spines strongly serrated, with twice as many along anterior edge as posterior edge (Ref. 81251), denticulations finer and more dense on outer than on inner margin (Ref. 57223). Dorsal-fin spine smooth anteriorly (Ref. 57223, 81251), except for some apical denticles (Ref. 57223), few distal serrations on posterior edge (Ref. 81251). Humeral process about twice as long as deep, granulose, pointed and distinctly keeled ventrally (Ref. 57223, 81251). Adipose fin moderately developed and distinctly separated from rayed dorsal fin (Ref. 57223). Adipose-fin base long (Ref. 57223), its length 4.2-11.3 times the distance between rayed dorsal- and adipose fin and 2.5 to 3.5 times longer than deep (Ref. 81251). Dorsal part of body and adipose spotted (Ref. 57223, 81251). Caudal fin spotted and without single dark patch at base of each fin lobe (Ref. 81251).Description: snout subconical; lips not poorly developed; anal fin pointed anteriorly; pelvic fin not reaching anal fin; caudal fin deeply forked, with upper lobes longer; caudal peduncle as long as deep (Ref. 81251).Coloration: dorsal regions brownish, darker than ventral parts; anal fin, as well as pectorals and pelvics, blackish; back and adipose fin covered with some large black spots; dorsal and caudal fins marked with some smaller black spots (Ref. 57223).
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Biology ( İngilizce )

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Maximum TL was recorded at 13.8 cm (Ref. 57223). Oviparous (Ref. 205).
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Importance ( İngilizce )

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fisheries:
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Synodontis robbianus ( Katalanca; Valensiyaca )

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Synodontis robbianus és una espècie de peix de la família dels mochòkids i de l'ordre dels siluriformes.

Morfologia

Els mascles poden assolir els 13,8 cm de llargària total.[4]

Distribució geogràfica

Es troba a Àfrica: Nigèria.[4]

Referències

  1. uBio (anglès)
  2. Cuvier G. 1816. Le Règne Animal distribué d'après son organisation pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée. Les reptiles, les poissons, les mollusques et les annélides. Edition 1. Règne Animal (ed. 1) v. 2. i-xviii + 1-532.
  3. BioLib (anglès)
  4. 4,0 4,1 FishBase (anglès)

Bibliografia

  • Burgess, W.E. 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City (Estats Units). 784 p.
  • Eschmeyer, William N.: Genera of Recent Fishes. California Academy of Sciences. San Francisco (Estats Units). iii + 697. ISBN 0-940228-23-8 (1990).
  • Eschmeyer, William N., ed. 1998. Catalog of Fishes. Special Publication of the Center for Biodiversity Research and Information, núm. 1, vol. 1-3. California Academy of Sciences. San Francisco, Califòrnia, Estats Units. 2905. ISBN 0-940228-47-5.
  • Ferraris, Carl J.: Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa, 1418. 8 de març del 2007. ISBN 978-1-86977-058-7. PDF (anglès)
  • Gosse, J.-P., 1986. Mochokidae. p. 105-152. A J. Daget, J.-P. Gosse i D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussel·les, MRAC, Tervuren; i ORSTOM, París. Vol. 2.
  • Helfman, G., B. Collette i D. Facey: The diversity of fishes. Blackwell Science, Malden, Massachusetts (Estats Units), 1997.
  • Moyle, P. i J. Cech.: Fishes: An Introduction to Ichthyology, 4a edició, Upper Saddle River, Nova Jersey, Estats Units: Prentice-Hall. Any 2000.
  • Nelson, J.S. 2006: Fishes of the world. Quarta edició. John Wiley & Sons, Inc. Hoboken, Nova Jersey, Estats Units. 601 p.
  • Paugy, D. i T.R. Roberts, 1992. Mochokidae. p. 500-563. A C. Levêque, D. Paugy, i G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres d'Afrique de l'Ouest. Vol. 2. Coll. Faune Tropicale núm. 28. Musée Royal de l'Afrique Centrale, Tervuren, Bèlgica i O.R.S.T.O.M., París, França.
  • Paugy, D. i T.R. Roberts, 2003. Mochokidae, p. 195-268 a C. Lévêque, D. Paugy i G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, vol. 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Flandes, Museum National d'Histoire Naturalle, París, França i Institut de Recherche pour le Développement, París, França. 815 p.
  • Smith, J. A. 1875. Notice of new fishes from West Africa. I. Ophiocephalus obscurus, Günther. II. Synodontis robbianus nov. spec. mihi. Proc. R. Phys. Soc. Edinb. v. 8: 89-95.
  • Vigliotta, T.R., 2008. A phylogenetic study of the African catfish family Mochokidae (Osteichthyes, Ostariophysi, Siluriformes), with a key to genera. Proc. Acad. Nat. Sci. Philad. 157(1): 73-136.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2a edició, Londres: Macdonald. Any 1985.


Enllaços externs

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Synodontis robbianus: Brief Summary ( Katalanca; Valensiyaca )

wikipedia CA tarafından sağlandı

Synodontis robbianus és una espècie de peix de la família dels mochòkids i de l'ordre dels siluriformes.

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Synodontis robbianus ( İngilizce )

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Synodontis robbianus, known as the russet synodontis,[2] is a species of upside-down catfish that is native to Nigeria where it is found in the Cross and lower Niger Rivers.[3] It was first described by John Alexander Smith in 1875, from specimens collected in the Calabar River, Nigeria.[2][4] The species name robbianus is named after Rev. Alexander Robb, a Scottish missionary, who collected the original species samples.[2]

Description

Like all members of the genus Synodontis, S. robbianus has a strong, bony head capsule that extends back as far as the first spine of the dorsal fin.[5] The head contains a distinct narrow, bony, external protrusion called a humeral process.[2] The shape and size of the humeral process helps to identify the species. In S. robbianus, the humeral process is about 1+12 to 2 times as long as it is broad, rough, and with a ridge on the lower edge.[4]

The fish has three pairs of barbels. The maxillary barbels are on located on the upper jaw, and two pairs of mandibular barbels are on the lower jaw. The maxillary barbel is long and straight without any branches, with a broad membrane at the base.[4] It extends to a length of about 1+14 to 1+12 times the length of the head.[4] The outer pair of mandibular barbels is a little under twice the length of the inner pair; and the outer pair with moderately long branches and the inner pair with secondary branches present.[4]

The front edges of the dorsal fins and the pectoral fins of Syntontis species are hardened into stiff spines.[2] In S. robbianus, the spine of the dorsal fin is about 23 to 34 times the length of the head, slightly curved, smooth in the front and serrated on the back.[4] The remaining portion of the dorsal fin is made up of seven branching rays.[4] The spine of the pectoral fin is a little longer than the size of the dorsal spine, and serrated on both sides.[4] The adipose fin is 2+12 to 3+12 times as long as it is deep.[4] The anal fin contains three to four unbranched and eight or nine branched rays.[4] The tail, or caudal fin, is deeply forked, with the upper lobe longer.[4]

All members of Syndontis have a structure called a premaxillary toothpad, which is located on the very front of the upper jaw of the mouth. This structure contains several rows of short, chisel-shaped teeth. In S. robbianus, the toothpad forms a short and broad band.[4] On the lower jaw, or mandible, the teeth of Syndontis are attached to flexible, stalk-like structures and described as "s-shaped" or "hooked".[2][5] The number of teeth on the mandible is used to differentiate between species; in S. robbianus, there are about 15 to 20 teeth on the mandible.[4]

The body color is pale brown, blotched or mottled with darker brown. The ventral and anal fins are dark, the dorsal and caudal fins are lighter. Juveniles show a light streak on each side of the snout, and cross-bars on the dorsal, anal, and caudal fins.[4]

The maximum total length of the species is 13.8 centimetres (5.4 in).[3] Generally, females in the genus Synodontis tend to be slightly larger than males of the same age.[6]

Habitat and behavior

In the wild, the species has only been found in the Cross and lower Niger Rivers.[1] It lives in streams and lakes and eats plankton, detritus, and plants.[1] It is capable of breathing air, and can live in waters with low dissolved oxygen.[1] The reproductive habits of most of the species of Synodontis are not known, beyond some instances of obtaining egg counts from gravid females.[7] Spawning likely occurs during the flooding season between July and October, and pairs swim in unison during spawning.[8] The growth rate is rapid in the first year, then slows down as the fish age.[6]

References

  1. ^ a b c d Lalèyè, P.; Olaosebikan, B.D. (2020). "Synodontis robbianus". IUCN Red List of Threatened Species. 2020: e.T181646A134966066. doi:10.2305/IUCN.UK.2020-2.RLTS.T181646A134966066.en. Retrieved 20 November 2021.
  2. ^ a b c d e f "Synodontis robbianus Smith, 1875". Planet Catfish. 12 Mar 2015. Retrieved 27 October 2016.
  3. ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2016). "Synodontis robbianus" in FishBase. June 2016 version.
  4. ^ a b c d e f g h i j k l m n Boulenger, George Albert (1909). Catalogue of the fresh-water fishes of Africa in the British museum (Natural history). London: British Museum. pp. 435–436.
  5. ^ a b Cuvier, Georges (1934). The Animal Kingdom Arranged in Conformity with its Organization, Volume 10. Translated by Griffith, Edward. London: Whittaker and Co. p. 406.
  6. ^ a b H. M. Bishai & Y. B. Abu Gideiri (1965). "Studies on the biology of genus Synodontis at Khartoum". Hydrobiologia. 26 (1–2): 85–97. doi:10.1007/BF00142257.
  7. ^ Wright, J.J. & L.M. Page (2006). "Taxonomic Revision of Lake Tanganyikan Synodontis (Siluriformes: Mochokidae)". Florida Mus. Nat. Hist. Bull. 46 (4): 99–154.
  8. ^ John P. Friel & Thomas R. Vigliotta (March 2, 2009). "Mochokidae Jordan 1923: African squeaker and suckermouth catfishes". Tree of Life Web Project. Retrieved 19 October 2016.

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Synodontis robbianus: Brief Summary ( İngilizce )

wikipedia EN tarafından sağlandı

Synodontis robbianus, known as the russet synodontis, is a species of upside-down catfish that is native to Nigeria where it is found in the Cross and lower Niger Rivers. It was first described by John Alexander Smith in 1875, from specimens collected in the Calabar River, Nigeria. The species name robbianus is named after Rev. Alexander Robb, a Scottish missionary, who collected the original species samples.

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Synodontis robbianus ( İspanyolca; Kastilyaca )

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Synodontis robbianus es una especie de peces de la familia Mochokidae en el orden de los Siluriformes.

Morfología

Los machos pueden llegar alcanzar los 13,8 cm de longitud total.[2]

Hábitat

Es un pez de agua dulce.

Distribución geográfica

Se encuentran en África: Nigeria.

Referencias

  1. Lalèyè, P. & Olaosebikan, B.D. (2006). «Synodontis robbianus». Lista Roja de especies amenazadas de la UICN 2010.4 (en inglés). ISSN 2307-8235. Consultado el 23 de noviembre de 2010.
  2. FishBase (en inglés)

Bibliografía

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Synodontis robbianus: Brief Summary ( İspanyolca; Kastilyaca )

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Synodontis robbianus es una especie de peces de la familia Mochokidae en el orden de los Siluriformes.

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Synodontis robbianus ( Baskça )

wikipedia EU tarafından sağlandı

Synodontis robbianus Synodontis generoko animalia da. Arrainen barruko Mochokidae familian sailkatzen da.

Banaketa

Erreferentziak

  1. Froese, Rainer & Pauly, Daniel ed. (2006), Synodontis robbianus FishBase webgunean. 2006ko apirilaren bertsioa.

Ikus, gainera

(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Synodontis robbianus: Brief Summary ( Baskça )

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Synodontis robbianus Synodontis generoko animalia da. Arrainen barruko Mochokidae familian sailkatzen da.

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Tummaripsimonni ( Fince )

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Tummaripsimonni (Synodontis robbianus) on ripsimonnien heimoon kuuluva kala, jota pidetään myös akvaarioissa.[2]

Ulkonäkö ja koko

Tummaripsimonnin pohjaväri on ruskea. Kalan selkäpuolella on pilkkuja. Myös evät ovat pilkulliset. Silmä on suhteessa suuri ja kuono lyhyt. Suu on kaksi kertaa niin pitkä kuin leveä. Tummaripsimonni jää noin 13 cm pituiseksi, eli pienemmäksi kuin monet muut saman suvun kalat. [2]

Naaras on jonkun verran pulleampi kuin koiras, mutta sukupuolten erottaminen toisistaan on vaikeaa edes sukupuolielinten muodon avulla näin pienillä kaloilla.[3]

Elinympäristö

Tummaripsimonnit elävät Nigeriassa, Niger- ja Cross-jokien vesistöissä.[4]

Käyttäytyminen

Tummaripsimonnit ovat varsin kaikkiruokaisia. Niiden kanssa yhdessä ei voi pitää kovin pieniä kaloja, joita tummaripsimonni kohtelisi ravintoeläiminä. Aikuistuessaan kalasta tulee jonkun verran reviiritietoinen, se voi ärhennellä lähinnä muille ripsimonneille. Se ei ole yhtä aggressiivinen kuin monet muut ripsimonnit, ja samassa akvaariossa voi yleensä pitää muutamia yksilöitä, kunhan jokaiselleon tarjolla oma kotikolo tai muu suojapaikka.[3]

Lähteet

  1. Lalèyè, P. & Olaosebikan, B.D.: Synodontis robbianus IUCN Red List of Threatened Species. 2003. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 25.1.2019. (englanniksi)
  2. a b Synodontis robbianus ScotCat. 2018. Viitattu 25.1.2019.
  3. a b Synodontis robbianus Seriously fish. Viitattu 27.1.2019.
  4. Synodontis robbianus (peilipalvelin) FishBase. Froese, R. & Pauly, D. (toim.). (englanniksi) Viitattu 25.1.2019
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Tummaripsimonni: Brief Summary ( Fince )

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Tummaripsimonni (Synodontis robbianus) on ripsimonnien heimoon kuuluva kala, jota pidetään myös akvaarioissa.

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Synodontis robbianus ( Felemenkçe; Flemish )

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Vissen

Synodontis robbianus is een straalvinnige vissensoort uit de familie van de baardmeervallen (Mochokidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1875 door Smith.

Bronnen, noten en/of referenties
  1. (en) Synodontis robbianus. FishBase. Ed. Ranier Froese and Daniel Pauly. 02 2013 version. N.p.: FishBase, 2013.
Geplaatst op:
27-02-2013
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Synodontis robbianus ( İsveççe )

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Synodontis robbianus är en afrikansk, afrotropisk fiskart i ordningen Malartade fiskar som lever endemiskt i Nigeria.[3] Den är främst nattaktiv. Denna fisk kan bli upp till 13,8 cm och lever i strax under tre år.[4]

Referenser

  1. ^ Lalèyè, P. & Olaosebikan, B.D. 2010 Synodontis robbianus Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 27 februari 2013.
  2. ^ Standard Report Page: Synodontis robbianus (på engelska). ITIS. 2005. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=681661. Läst 27 februari 2013.
  3. ^ Froese, R.; Pauly, D. (2013). ”Countries where Synodontis robbianus is found” (på engelska). FishBase. FishBase Consortium. http://fishbase.se/Country/CountryList.php?ID=9615&GenusName=Synodontis&SpeciesName=robbianus. Läst 27 februari 2013.
  4. ^ Gosse, J.-P. (1986). Synodontis robbianus Smith, 1875” (på engelska). FishBase. FishBase Consortium. http://fishbase.se/summary/Synodontis-robbianus.html. Läst 27 februari 2013.

Externa länkar

Mört, Nordisk familjebok.png Denna fiskrelaterade artikel saknar väsentlig information. Du kan hjälpa till genom att tillföra sådan.
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Synodontis robbianus: Brief Summary ( İsveççe )

wikipedia SV tarafından sağlandı

Synodontis robbianus är en afrikansk, afrotropisk fiskart i ordningen Malartade fiskar som lever endemiskt i Nigeria. Den är främst nattaktiv. Denna fisk kan bli upp till 13,8 cm och lever i strax under tre år.

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Synodontis robbianus ( Vietnamca )

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Synodontis robbianus là một loài cá da trơn trong họ Mochokidae. Chúng là loài đặc hữu của Nigeria, nơi chúng được tìm thấy ở thập tự giá và hạ lưu sông Niger. [3] Nó được mô tả lần đầu tiên bởi John Alexander Smith vào năm 1875, từ các mẫu vật được thu thập trên sông Calabar, Nigeria. Tên loài robbianus được đặt theo tên của Linh mục Alexander Robb, một nhà truyền giáo người Scotland, người đã thu thập các mẫu loài gốc.

Chú thích

Tham khảo


Hình tượng sơ khai Bài viết chủ đề bộ Cá da trơn này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Synodontis robbianus: Brief Summary ( Vietnamca )

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Synodontis robbianus là một loài cá da trơn trong họ Mochokidae. Chúng là loài đặc hữu của Nigeria, nơi chúng được tìm thấy ở thập tự giá và hạ lưu sông Niger. [3] Nó được mô tả lần đầu tiên bởi John Alexander Smith vào năm 1875, từ các mẫu vật được thu thập trên sông Calabar, Nigeria. Tên loài robbianus được đặt theo tên của Linh mục Alexander Robb, một nhà truyền giáo người Scotland, người đã thu thập các mẫu loài gốc.

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羅比歧鬚鮠 ( Çince )

wikipedia 中文维基百科 tarafından sağlandı
二名法 Synodontis robbianus
Smith, 1875

羅比歧鬚鮠,為輻鰭魚綱鯰形目倒立鯰科的其中一,為熱帶淡水魚,被IUCN列為易危保育類動物,分布於非洲奈及利亞尼日河下游及十字河流域,體長可達13.8公分,棲息在底中層水域,生活習性不明。

参考文献

扩展阅读

 src= 維基物種中有關羅比歧鬚鮠的數據

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羅比歧鬚鮠: Brief Summary ( Çince )

wikipedia 中文维基百科 tarafından sağlandı

羅比歧鬚鮠,為輻鰭魚綱鯰形目倒立鯰科的其中一,為熱帶淡水魚,被IUCN列為易危保育類動物,分布於非洲奈及利亞尼日河下游及十字河流域,體長可達13.8公分,棲息在底中層水域,生活習性不明。

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