False catshark (Pseudotriakis microdon) fish species and False catshark information

Scientific Name
Pseudotriakis microdon

Common Name
False catshark

Biology
Found on the continental and insular slopes, occasionally wandering onto continental shelves (Ref. 13565). Inactive and sluggish (Ref. 13565). Probably eats bony fishes, elasmobranchs and invertebrates (Ref. 244). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother, uterine milk is consumed additionally (Ref. 50449). Pups number 2 to 4 in a litter (Ref. 244), size at birth between 70 (Ref. 244) and 140 cm TL (Ref. 13565). Caught very rarely by deepwater demersal longline fisheries in some areas. Utilized for its fins (limited value), meat and cartilage (Ref.58048).

Classification

Classified By

de Brito Capello, 1868

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

False catsharks (Pseudotriakidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: New York and New Jersey, USA. Reported from Cuba (Ref. 26340); including Brazil (Ref. 53443). Northeast Atlantic: Atlantic slope off Iceland, France, Portugal, Madeira, Azores, Senegal, and Cape Verde. Indian Ocean: Aldabra Island group and Western Australia (Ref. 13565). Pacific Ocean: Japan, Taiwan, New Zealand, and Hawaii (Ref. 13565).

Range

64°N - 12°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

173 m

Depth To - meters

1890 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 173 - 1890 m (Ref. 58302)

Trophic Level

4.34 s.e. 0.65 Based on diet studies.

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

269 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.2500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: subsistence fisheries

Vulnerability

High to very high vulnerability (68 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (K=0.17; Fec=2)

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)

False catshark (Pseudotriakis microdon) fish species and information / pictures of False catshark - Pseudotriakis microdon

False catshark (Pseudotriakis microdon) fish species information

Classification

Distribution

Environment

Physical Size and Genetics

Human Uses and Population