Lizard catshark (Schroederichthys saurisqualus) fish species and information / pictures of Lizard catshark - Schroederichthys saurisqualus

Lizard catshark (Schroederichthys saurisqualus) fish species information

Scientific Name
Schroederichthys saurisqualus

Common Name
Lizard catshark

Biology
Diagnosis: This species is differs from S. tenuis in size at maturity, males 57.8 cm (vs. 42.8) and females 69.2 cm (vs. 37); maximum total length , males 58.8 cm (vs. 46.8) and females 69.2 cm (vs. 42.6); color pattern presence of white spots (vs. none); in having longer interdorsal space, 20.7-22.3% (vs. 17.2-20.6%); longer pelvic-anal space 19.2-20.8% (vs. 14.7-19.4%); dermal denticles morphology, rounded (vs. pointed); and, greater number of vertebrae, 120-123 (vs. 108-113) (Ref. 56497).

Classification

Classified By

Soto, 2001

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Cat sharks (Scyliorhinidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: southern Brazil.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

122 m

Depth To - meters

435 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 122 - 435 m (Ref. 56497)

Trophic Level

3.77 s.e. 0.53 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

58.2 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Moderate vulnerability (40 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Fec = 2)

Threat To Humans

Harmless

IUCN Red List Status

Vulnerable (VU) (B1ab(iii,v))