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赫氏沼海鯰的圖片
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赫氏沼海鯰

Sciades herzbergii (Bloch 1794)

Life Cycle ( 英語 )

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Females reach maturity at a younger age than males and grow faster. The male incubates 28-40 eggs in the mouth and 200-400 eggs that are fixed in a glutinous mass on its head. Incubation takes 10-12 days. After 50-60 days fully functional young (6-6.5 cm TL) are released.
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Cristina V. Garilao
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Biology ( 英語 )

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Adults occur in turbid estuaries, mangrove-lined lagoons and lower parts of rivers being very tolerant to changes in salinity. Found on shallow soft bottoms (Ref. 5217). Feed on a large variety of bottom-living and pelagic organisms including those found among the roots of mangroves. Reproduction occurs between September and December. A female lays 20-30 eggs, with a diameter of 10-12 mm. Males incubate the eggs in their mouth (Ref. 35381).
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Importance ( 英語 )

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fisheries: minor commercial; price category: medium; price reliability: very questionable: based on ex-vessel price for species in this family
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Pemecou sea catfish ( 英語 )

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The Pemecou sea catfish (Sciades herzbergii), also known as the flapnose sea catfish, the mud cuirass, or the gillbacker,[2] is a species of catfish in the family Ariidae.[3] It was described by Marcus Elieser Bloch in 1794, originally under the genus Silurus.[1] It inhabits marine, brackish and freshwaters in Brazil, Guyana, French Guiana, Colombia, Suriname, Venezuela, and Trinidad and Tobago. It dwells at a depth range of 1 to 5 m (3.3 to 16.4 ft).[4] It reaches a maximum total length of 94.2 cm (37.1 in), while males more commonly reach a TL of 30 cm (12 in) and females reach a TL of 62.5 cm (24.6 in). It reaches a maximum weight of 1.5 kg (3.3 lb).[3]

The diet of the pemecou sea catfish consists of annelid worms and benthic crustaceans.[5] Spawning has been observed to take place at various times throughout the year, depending on the region.[6] The species is currently ranked as Least Concern by the IUCN redlist, although it notes that its frequency in mangrove channels could potentially place it at risk of habitat loss. It also notes that the species has become of greater interest for artisanal fishing in northern Brazil.[4] The pemecou sea catfish is also of minor interest to commercial fisheries.[3]

Etymology

Although the patronym was not identified, it is most probably in honor of Count Ewald Friedrich von Herzberg (also spelled Hertzberg, 1725-1795), a Prussian who was one of Bloch’s sponsors.[7]

References

  1. ^ a b Synonyms of Sciades herzbergii at www.fishbase.org.
  2. ^ Common names of Sciades herzbergii at www.fishbase.org.
  3. ^ a b c Froese, Rainer; Pauly, Daniel (eds.) (2019). "Sciades herzbergii" in FishBase. July 2019 version.
  4. ^ a b Sciades herzbergii at the IUCN redlist.
  5. ^ Food items reported for Sciades herzbergii at www.fishbase.org.
  6. ^ Spawning for Sciades herzbergii at www.fishbase.org.
  7. ^ Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order SILURIFORMES: Families CLARIIDAE, HETEROPNEUSTIDAE, ANCHARIIDAE and ARIIDA". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 4 January 2022.
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Pemecou sea catfish: Brief Summary ( 英語 )

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The Pemecou sea catfish (Sciades herzbergii), also known as the flapnose sea catfish, the mud cuirass, or the gillbacker, is a species of catfish in the family Ariidae. It was described by Marcus Elieser Bloch in 1794, originally under the genus Silurus. It inhabits marine, brackish and freshwaters in Brazil, Guyana, French Guiana, Colombia, Suriname, Venezuela, and Trinidad and Tobago. It dwells at a depth range of 1 to 5 m (3.3 to 16.4 ft). It reaches a maximum total length of 94.2 cm (37.1 in), while males more commonly reach a TL of 30 cm (12 in) and females reach a TL of 62.5 cm (24.6 in). It reaches a maximum weight of 1.5 kg (3.3 lb).

The diet of the pemecou sea catfish consists of annelid worms and benthic crustaceans. Spawning has been observed to take place at various times throughout the year, depending on the region. The species is currently ranked as Least Concern by the IUCN redlist, although it notes that its frequency in mangrove channels could potentially place it at risk of habitat loss. It also notes that the species has become of greater interest for artisanal fishing in northern Brazil. The pemecou sea catfish is also of minor interest to commercial fisheries.

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