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Elasmobranchii (haaien en roggen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Atelomycteridae (Coloured catsharks)
Etymology: Schroederichthys: In honor of American ichthyologist William C. Schroeder (1895-1977), Woods Hole Oceanographic Institution, for his pioneering work (with Henry B. Bigelow) on cartilaginous fishes; ichthyos (Gr.), fish. (See ETYFish); bivius: bi-, from bis (L.), two; via (L.), way or passage, etymology not explained, perhaps referring to double-valved nostrils, with incurrent and excurrent apertures. (See ETYFish).
More on authors: Müller & Henle.

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

marien demersaal; diepte 14 - 78 m (Ref. 244). Subtropical; 23°S - 56°S

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Southeast Pacific and Southwest Atlantic: central Chile to the Straits of Magellan and Argentina.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m ?, range 40 - ? cm
Max length : 70.0 cm TL mannelijk / geslacht onbekend; (Ref. 244)

A common inshore to offshore shark found on the continental shelf. Oviparous (Ref. 50449). Dental sexual dimorphism exists, with adult males having teeth at least twice as high as adult females as well as much longer and narrower mouths.

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Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Sexual dimorphism is evident in dentition of male species (Ref. 49562). Males have longer teeth with fewer cusps than females (Ref. 51093) to make 'courtship biting' more effective (Ref. 49562).

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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)

Niet bedreigd (LC) ; Date assessed: 07 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van geen belang

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Estimates based on models

Preferred temperature (Ref. 123201): 6.4 - 15.6, mean 10.6 °C (based on 202 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Trofisch niveau (Ref. 69278): 3.8 ±0.3 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Fec=2).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (48 of 100).

Nutrients (Ref. 124155): Calcium = 27.1 [4.5, 147.7] mg/100g; Iron = 0.723 [0.192, 2.131] mg/100g; Protein = 16.1 [13.3, 20.4] %; Omega3 = 0.18 [0.08, 0.39] g/100g; Selenium = 19.3 [5.8, 54.7] μg/100g; VitaminA = 10.6 [3.7, 29.9] μg/100g; Zinc = 0.636 [0.303, 1.164] mg/100g (wet weight); based on nutrient studies.

Schroederichthys bivius (Müller & Henle, 1838)