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Data on Catalog of Fishes ( англиски )

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View data on Catalog of Fishes here.

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Deep sea Fishes of the World LifeDesk

Description ( англиски )

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The barbel length is 79%–136% SL, apparently not changing with growth. All specimens have black pigment in the axis of the stem, this pigment usually becoming less dense in the distal end before the proximal bulb. The axis between bulbs is pigmented, but less densely than in most of the stem, and the filament axis may be moderately pigmented proximally or lack pigment. The external chevron–shaped or roundish striated areas on the stem are usually pigmented. The proximal and distal bulbs are usually ovoid in shape, occasionally spheroidal or oblatespheroidal. The proximal bulb does not appear to grow after about 100 mm SL, and the distal bulb only slightly. The proximal bulb thus decreases relative to SL from 1.0% to 0.6%, while the distal bulb is 0.7%–1.2%. The distal bulb is equal to or up to 1.6 times longer than the proximal. The distance between the bulbs apparently does not increase with growth and decreases relative to SL from 1.1%–1.9% SL in specimens 81–103 mm to 0.6%–1.0% in those 132–141 mm. The terminal filament is about 20% SL in the only 2 specimens (101 and 103 mm) in which it was intact. In all other specimens, both larger and smaller, the filament is less than 8% of SL, and breakage was confirmed in most. The filament lacks side branches of any size. Tiny bulblets are present along the filament axis, but they are usually very difficult to discern. The postorbital organ of large males (132–141 mm) is 1.6%–1.9% SL, 56%–66% of fleshy orbit length. There are no reports of colors in fresh specimens.

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Deep sea Fishes of the World LifeDesk

Diagnostic Description ( англиски )

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Two terminal bulbs separated by an interspace 0.6%–1.9% SL (0.6–2.0 times length of distal bulb). Barbel 79%–136% SL. Terminal filament long, about 20% SL, without side branches. Distal bulb 0.7%–1.2% SL, 1.0–1.6 times length of proximal bulb. Stem axis and external chevron–shaped or roundish striated areas usually darkly pigmented. Middorsal paired spots between occiput and dorsal-fin origin 8.

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Deep sea Fishes of the World LifeDesk

Distribution ( англиски )

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Known from off Oahu, Hawaiian Islands, and about 12°N, 150°W.

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Deep sea Fishes of the World LifeDesk

Main Reference ( англиски )

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Gibbs RH, Jr, Clarke TA, Gomon JR. 1983. Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: Subgenus Nominostomias. Smithsonian Contributions to Zoology 380:1–139.

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Deep sea Fishes of the World LifeDesk

Morphology ( англиски )

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Eustomias bituberoides is a member of the subgenus Nominostomias Reagan and Trewavas (1930). The following description applies to all member of Nominostomias.

Three well-developed, free pectoral rays. Seven pelvic rays. Barbel with slender stem having little or no external pigment (axis often pigmented), no row of dark spots, and no branches proximal to the terminal bulbs (E. multifilis may have a few short filaments on the stem near the bulb). One or 2 relatively small terminal bulbs, the distalmost with a projection or filament of variable complexity (the projection almost indiscernible in a few species). No wide ventral body groove posterior to pectoral–fin base (a narrow, shallow groove observed in some specimens). Photophore and vertebral counts high. Photophores in ventral series (IC) 69–80 (seldom fewer than 72, species modes mostly 75–78), in lateral series (OC) 63–73 (seldom fewer than 66, species modes mostly 69–72), VAV and VAL 15–21 (seldom fewer than 16, species modes 17–18 and 18–19, respectively). Vertebrae in continuous series 64–71 (seldom fewer than 65, species modes mostly 67–69). No paired photophores in lateral series. Number of teeth high: premaxillary 11–20, mandibular 14–29 in large specimens (fewer in many specimens less than 100 mm SL).

Counts of fin-rays, photophores, vertebrae, and teeth are of little use in distinguishing most species of Nominostomias, for even those species that show modal differences overlap the ranges of most other species.

None of the body proportions examined by Gibbs et al. (1983) showed convincing differences among species of Nominostomias. Differences in size or relative–growth patterns appeared to characterize a number of species for which few specimens were measured, but these are believed to be artifacts of sampling. The cloud of points of species with abundant measurements usually encompassed those of species with few measurements, and in those abundant species, isometric growth is indicated for almost every body part once metamorphosis is complete. The only body measurement to indicate allometric growth is the least caudal-peduncle depth, which decreases relative to SL.

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Deep sea Fishes of the World LifeDesk

References ( англиски )

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Gibbs RH, Jr, Clarke TA, Gomon JR. 1983. Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: Subgenus Nominostomias. Smithsonian Contributions to Zoology 380:1–139.

Regan CT, Trewavas E. 1930. The fishes of the families Stomiatidae and Malacosteidae. Danish Dana Expedition 1920−22 6:1−143.

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Size ( англиски )

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To at least 141 mm SL.

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Type locality ( англиски )

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Central North Pacific [west of Oahu Island, Hawaiian Islands], 21°30'N, 158°20'W, depth 0-1000 meters.

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Type specimen(s) ( англиски )

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Holotype: USNM 223734.

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Morphology ( англиски )

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Dorsal soft rays (total): 23; Analsoft rays: 37; Vertebrae: 67
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Diagnostic Description ( англиски )

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Two terminal bulbs separated by an interspace (0.6-2 times length of distal bulb). Barbel 79-136% SL. Terminal filament long, about 20% SL, without side branches. Distal bulb 1-1.6 times length of proximal bulb. Axis of stem and external chevron-shaped or roundish striated areas on stem usually darkly pigmented. Middorsal paired spots between occiput and dorsal-fin origin 8 (Ref. 11333).
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Biology ( англиски )

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Epi- and mesopelagic (Ref. 58302).
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Comprehensive Description ( англиски )

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Eustomias bituberoides

Eustomias bibulbosus.—Clarke, 1974:344 [part; 3 specimens].

DIAGNOSIS.—Two terminal bulbs separated by an interspace 0.6%–1.9% SL (0.6–2.0 times length of distal bulb). Barbel 79%–136% SL. Terminal filament long, about 20% SL, without side branches. Distal bulb 0.7%–1.2% SL, 1.0–1.6 times length of proximal bulb. Stem axis and external chevron-shaped or roundish striated areas usually darkly pigmented. Middorsal paired spots between occiput and dorsal-fin origin 8.

DESCRIPTION.—The barbel length is 79%–136% SL, apparently not changing with growth. All specimens have black pigment in the axis of the stem, this pigment usually becoming less dense in the distal end before the proximal bulb. The axis between bulbs is pigmented, but less densely than in most of the stem, and the filament axis may be moderately pigmented proximally or lack pigment. The external chevron-shaped or roundish striated areas on the stem are usually pigmented.

The proximal and distal bulbs are usually ovoid in shape, occasionally spheroidal or oblate-spheroidal. The proximal bulb does not appear to grow after about 100 mm SL, and the distal bulb only slightly. The proximal bulb thus decreases relative to SL from 1.0% to 0.6%, while the distal bulb is 0.7%–1.2%. The distal bulb is equal to or up to 1.6 times longer than the proximal.

The distance between the bulbs apparently does not increase with growth and decreases relative to SL from 1.1%–1.9% SL in specimens 81–103 mm to 0.6%–1.0% in those 132–141 mm.

The terminal filament is about 20% SL in the only 2 specimens (101 and 103 mm) in which it was intact. In all other specimens, both larger and smaller, the filament is less than 8% of SL, and breakage was confirmed in most. The filament lacks side branches of any size. Tiny bulblets are present along the filament axis, but they are usually very difficult to discern.

The postorbital organ of large males (132–141 mm) is 1.6%–1.9% SL, 56%–66% of fleshy orbit length.

There are no reports of colors in fresh specimens.

DESCRIPTION OF HOLOTYPE.—Female, 102.6 mm SL. D 23. A 37. Pl 3. P2 7. IP 8. PV 31. VAV 19. OV 33. VAL 19. AC 19. IA 58. IC 77. OA 52. OC 71. VAV photophores over anal-fin base 7. Branchiostegal photophores 12. Premaxillary teeth 9 left, 12 right: from anterior to posterior, a fixed long anterior tooth, followed by a long space, a fixed fang followed by another long space, a short-to-long graded series of 1 fixed and 2 depressible teeth, another short-to-long series of 2 fixed and 2 depressible teeth (2 fixed and 3 depressible teeth on right side), and on right side only, 2 small depressible teeth. Maxilla with 1 small erect tooth (left side only) and a series of about 18 very short, slanted, serra-like teeth. Mandibular teeth 13: from anterior to posterior, a short fixed symphysial tooth followed by a moderate space, a fixed fang followed by a long space, 2 long depressible teeth, a short-to-long series of 2 fixed and 2 depressible teeth, another short-to-long series of 2 fixed and 2 depressible teeth, and 2 short depressible teeth. Vertebrae 67, the 1st ossified only ventrally.

Measurements (in mm): Predorsal length 87.3, preanal length 73.0, prepelvic length 56.8, head length 12.7, barbel 110.6, proximal-bulb length 1.0, distal-bulb length 1.0, distance between bulbs 2.0, filament length 20.5, snout length 5.6, fleshy orbit length 3.5, postorbital-organ length 0.5, lower-jaw length 11.4, upper-jaw length 10.4, depth behind head (greatest depth) 5.8, caudal-peducle depth 1.7, pectoral-fin length ∼13, pelvic-fin length 14.4, dorsal-base length 12.2, anal-base length 25.0, longest premaxillary tooth 2.4, longest mandibular tooth 1.4.

Barbel with bluntly ovoid proximal bulb, slightly narrower, longish-ovoidal distal bulb with distinctly narrowed, tapering distal end.

SIMILAR SPECIES.—This species and the North Atlantic E. bituberatus both have a very long barbel and are the only 2 species in which the barbel may exceed the SL. In bituberoides, barbel length apparently does not increase after about 100 mm SL, while that of bituberatus continues to grow, becoming relatively longer than in bituberoides. Short branches from the filament are present near the bulb in bituberatus; these are absent in bituberoides. Both terminal bulbs and the distance between them are longer in bituberatus at any given size than in bituberoides (Figures 7 and 8), and the postorbital organ is very small in the only maturing male bituberatus.

Three other Pacific species have 2 separated terminal bulbs and a simple terminal filament, but their barbels are shorter than in bituberoides, not more than 65% SL. In bibulboides, both terminal bulbs and their interspace are generally shorter than in bituberoides, but there is overlap (Figures 7 and 8). In orientalis the proximal bulb in the larger (118 mm) of 2 specimens is larger (1.3% SL) than in any bituberoides (maximum 1.0%), and the terminal bulbs are separated by a shorter space (Figure 8). The only specimen of australensis (87 mm) has a larger distal bulb (1.1% SL) than any bituberoides (maximum 1.0%).

The Atlantic species bibulbosus, austratlanticus, and micraster, in addition to having shorter barbels than bituberoides, have the terminal bulbs separated by a much greater distance (Figure 8).

DISTRIBUTION.—Known from off Oahu, Hawaiian Islands, and about 12°N, 150°W (Figure 40).

ETYMOLOGY.—A Latin adjective from the named species, bituberatus (2-bulbed), plus the suffix -oides (resembling), bituberoides alludes to the similarly very long barbel of both species.

MATERIAL EXAMINED (4 males, 6 females, 1 unsexed).—Holotype: USNM 223734 (, 102.6), 21°30′N, 158°20′W, 0–1000 m, 1215–1655, 22 Feb 1978.

Paratypes: USNM 223728 (, 101), 21°10′N, 158°10′W, 0–775 m, 1235–1712, 8 Nov 1974. USNM 223730 (, 94), 21°20′N, 158°20′W, 0–690 m, 0757–1202, 15 Dec 1970. USNM 223731 (, 135), 21°02′N, 158°30′W, 0–118 m, 1952–0152, 21 Jul 1967. USNM 223732 (, 132), 21°20′N, 158°20′W, 0–175 m, 0155–0355, 1 Mar 1961. USNM 223733 (, 116), 21°10′N, 158°10′W, 0–650 m, 0730–1132, 9 Nov 1974. SIO 80–173 (, 122), 12°16′N, 150°10′W, 0–290 m, 1945–2140, 14 Dec 1977. BPBM 26419 (, 91), 21°10′N, 158°10′W, 0–1050 m, 0710–1137, 31 Aug 1978.

Non-types: USNM 223729 (, 86.8), 12°13′N, 149°56′W, 7 Nov 1958. USNM 223735 (, 141), 21°20′N, 158°20′W, 0–125 m, 2310–0110, 27 Feb 1971. MCZ 54095 (?, ∼81), 21°10′N, 158°20′W, 0–275 m, 0354–0454, 3 Feb 1973.
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Gibbs, Robert H., Jr., Clarke, Thomas A., and Gomon, Janet R. 1983. "Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: subgenus Nominostomias." Smithsonian Contributions to Zoology. 1-139. https://doi.org/10.5479/si.00810282.380
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Smithsonian Contributions to Zoology

Eustomias bituberoides ( каталонски; валенсиски )

добавил wikipedia CA

Eustomias bituberoides és una espècie de peix de la família dels estòmids i de l'ordre dels estomiformes.

Morfologia

Hàbitat

És un peix marí i d'aigües profundes que viu fins als 1.050 m de fondària.[3]

Distribució geogràfica

Es troba davant les costes d'Oahu (Hawaii).[5][3]

Referències

  1. Vaillant L. L., 1888. Expéditions scientifiques du "Travailleur" et du "Talisman" pendant les années 1880, 1881, 1882, 1883. Poissons. París. Exped. Travailleur et Talisman. 1-406.
  2. BioLib (anglès)
  3. 3,0 3,1 3,2 FishBase (anglès)
  4. Gibbs, R. H., Jr., T. A. Clarke i J. R. Gomon, 1983: Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: subgenus Nominostomias. Smithsonian Contributions to Zoology Núm. 380: i-iv + 1-139.
  5. Mundy, B.C., 2005. Checklist of the fishes of the Hawaiian Archipelago. Bishop Museum Bulletins in Zoology. Bishop Mus. Bull. Zool. (6):1-704.


Bibliografia


Enllaços externs

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Eustomias bituberoides: Brief Summary ( каталонски; валенсиски )

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Eustomias bituberoides és una espècie de peix de la família dels estòmids i de l'ordre dels estomiformes.

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Eustomias bituberoides ( шпански; кастиљски )

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Eustomias bituberoides es una especie de pez de la familia Stomiidae en el orden de los Stomiiformes.

Morfología

• Los machos pueden llegar alcanzar los 14,1 cm de longitud total.[1][2]

Hábitat

Es un pez de mar y de aguas profundas que vive hasta 1.500 m de profundidad.

Distribución geográfica

Se encuentra frente a las costas de Oahu (Hawái ).

Referencias

  1. FishBase (en inglés)
  2. Gibbs, R. H., Jr., T. A. Clarke i J. R. Gomon, 1983: Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: subgenus Nominostomias. Smithsonian Contributions to Zoology Núm. 380: i-iv + 1-139.

Bibliografía

  • Fenner, Robert M.: The Conscientious Marine Aquarist. Neptune City, Nueva Jersey, Estados Unidos : T.F.H. Publications, 2001.
  • Helfman, G., B. Collette y D. Facey: The diversity of fishes. Blackwell Science, Malden, Massachusetts, Estados Unidos , 1997.
  • Hoese, D.F. 1986: . A M.M. Smith y P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlín, Alemania.
  • Maugé, L.A. 1986. A J. Daget, J.-P. Gosse y D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB Bruselas; MRAC, Tervuren, Flandes; y ORSTOM, París, Francia. Vol. 2.
  • Moyle, P. y J. Cech.: Fishes: An Introduction to Ichthyology, 4a. edición, Upper Saddle River, Nueva Jersey, Estados Unidos: Prentice-Hall. Año 2000.
  • Nelson, J.: Fishes of the World, 3a. edición. Nueva York, Estados Unidos: John Wiley and Sons. Año 1994.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2a. edición, Londres: Macdonald. Año 1985.

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Eustomias bituberoides: Brief Summary ( шпански; кастиљски )

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Eustomias bituberoides es una especie de pez de la familia Stomiidae en el orden de los Stomiiformes.

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Eustomias bituberoides ( баскиски )

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Eustomias bituberoides Eustomias generoko animalia da. Arrainen barruko Stomiidae familian sailkatzen da.

Banaketa

Erreferentziak

  1. Froese, Rainer & Pauly, Daniel ed. (2006), Eustomias bituberoides 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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Eustomias bituberoides: Brief Summary ( баскиски )

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Eustomias bituberoides Eustomias generoko animalia da. Arrainen barruko Stomiidae familian sailkatzen da.

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Eustomias bituberoides ( холандски; фламански )

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Vissen

Eustomias bituberoides is een straalvinnige vissensoort uit de familie van Stomiidae.[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1983 door Gibbs, Clarke & Gomon.

Bronnen, noten en/of referenties
  1. (en) Eustomias bituberoides. FishBase. Ed. Ranier Froese and Daniel Pauly. 10 2011 version. N.p.: FishBase, 2011.
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