Apristurus melanoasper, Black roughscale catshark

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Apristurus melanoasper Iglésias, Nakaya & Stehmann, 2004

Black roughscale catshark
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Apristurus melanoasper   AquaMaps   Data sources: GBIF OBIS
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Image of Apristurus melanoasper (Black roughscale catshark)
Apristurus melanoasper
Male picture by MNHN

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: Greek, a = without + Greek, pristis = saw + Greek, oura = tail (Ref. 45335);  melanoasper: Name refers to its black coloration and rough skin (Greek 'melanos' = black; Latin 'asper' = rough).

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

; seewasser bathypelagisch; tiefenbereich 512 - 1520 m (Ref. 56212).   Deep-water

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

North Atlantic: Slope, off northern U.S. and off France, Ireland and British Isles.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm ?, range 55 - 59 cm
Max length : 76.1 cm TL Männchen/unbestimmt; (Ref. 56212); 73.2 cm TL (female); max. veröff. Gewicht: 1.3 kg (Ref. 56212); max. veröff. Gewicht: 1.3 kg

Kurzbeschreibung Morphologie | Morphometrie

Diagnosis: Body uniformly black, slightly brownish in larger specimens. Dermal denticles large and giving a rough texture to the skin. Upper labial furrows longer than the lower ones. First dorsal fin only slightly smaller than the second dorsal fin, originating from above anterior third to middle of the pelvic fin base. Second dorsal fin insertion just before level of anal fin insertion. Interorbital space 1.9-3.5 times eye horizontal diameter. Abdomen between pectoral fin tip and pelvic fin origin 1.3-2.5 times pectoral fin width. Spiral valves of the intestine 19-23 (mostly 21-22). Monospondylous + precaudal diplospondylous vertebrae 36-43 + 26-32 (often 38-40 + 28-30). Dermal denticles on tongue and palate absent (Ref. 56212).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Found generally at depths of more than 1000 meters (Ref. 56212).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Iglésias, S.P., K. Nakaya and M. Stehmann, 2004. Apristurus melanoasper, a new species of deep-water catshark from the North Atlantic (Chondrichthyes: Carcharhiniformes: Scyliorhinidae). Cybium 28(4):345-356. (Ref. 56212)

IUCN Rote Liste Status (Ref. 123251)

  nicht bedroht (LC) ; Date assessed: 17 February 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Estimates based on models

Preferred temperature (Ref. 115969): 3.5 - 9.9, mean 7.2 °C (based on 79 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00148 - 0.00675), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.0   ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Fec assumed to be <10).
Verwundbarkeit (Ref. 59153):  Moderate to high vulnerability (50 of 100) .