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Apristurus spongiceps (Gilbert, 1905)

Spongehead catshark
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Apristurus spongiceps
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Elasmobranchii (haaien en roggen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus). (See ETYFish);  spongiceps: spongia (L.), sponge; ceps (New Latin), head, referring to its soft and spongy snout. (See ETYFish).
More on author: Gilbert.

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

marien bathydemersaal; diepte 572 - 1482 m (Ref. 11146). Deep-water; 21°N - 8°S

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Pacific Ocean: Banda Sea off southern Sulawesi and the Hawaiian Islands.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm TL mannelijk / geslacht onbekend; (Ref. 244)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Anale stekels: 0. Dark brown, without conspicuous markings on fins (Ref. 244).

Biologie     Verklarende woordenlijst (bv. epibenthic)

A rare shark known only from two specimens taken on the insular slopes, on or near the bottom (Ref. 244). Benthic (Ref. 58302). Oviparous (Ref. 50449).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Onvoldoende gegevens (DD) ; Date assessed: 19 March 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
FAO - Publication: search | FishSource |

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Internetbronnen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.9   ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Fec assumed to be <10).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (40 of 100).