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Somniosus longus (Tanaka, 1912)

Frog shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Somniosus longus   AquaMaps   Data sources: GBIF OBIS
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Image of Somniosus longus (Frog shark)
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drawing shows typical species in Somniosidae.

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (tubarões e raias) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Somniosus: Latin for sleepy, reflecting Lesueur’s surmise that these sharks are slow or sluggish because of their relatively small fins (hence the name sleeper sharks). (See ETYFish);  longus: Latin for long, perhaps referring to what Tanaka described as its “oblong” shape. (See ETYFish).
More on author: Tanaka.

Environment: milieu / climate zone / depth range / distribution range Ecologia

marinhas batidemersal; intervalo de profundidade 250 - 1160 m (Ref. 50224). Subtropical

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Western Pacific: Japan and New Zealand.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 110 cm TL macho/indeterminado; (Ref. 50224); 130.1 cm TL (female)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Vértebras: 77 - 79. Somniosus longus is distinguished from S. rostratus in having a relatively longer second dorsal fin where overall length is almost equal to first dorsal fin 91-100% (vs. 76-88%); slightly larger eye with horizontal diameter more than 37% (mean 46%) of length from snout tip to eye (vs. <37, mean 33%); higher number of tooth rows in upper jaw 56-57 (vs.53); and slightly higher spiral valve counts 26-27 (vs. 23 ) (Ref. 50224).

Biologia     Glossário (ex. epibenthic)

Caught by crab pot and bottom longline (Ref. 50224).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Yano, K., J.D. Stevens and L.J.V. Compagno, 2004. A review of the systematics of the sleeper shark genus Somniosus with redescriptions of Somniosus (Somniosus) antarcticus and Somniosus (Rhinoscymnus) longus (Squaliformes: Somniosidae). Ichthyol. Res. 51:360-373. (Ref. 50224)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

  Dados insuficientes (DD) ; Date assessed: 02 July 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless





Utilização humana

FAO - Publication: search | FishSource |

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Trophic ecology
Itens alimentares
Diet compositions
Food consumptions
Food rations
Predadores
Ecology
Ecologia
Population dynamics
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Length-length rel.
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Physiology
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Tipo de natação
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Toxicities (LC50s)
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Referências

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Fontes da internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Consultar FishWatcher | CISTI | Catalog of Fishes: Género, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoma, nucleotídeo | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia: ir para, procurar | World Records Freshwater Fishing | Registo zoológico

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5313   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00168 - 0.00901), b=3.13 (2.94 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  4.1   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (78 of 100).