Scientific Name
Symphurus trewavasae

Common Name
Trewavas' tonguefish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 86-93; Anal spines: 0; Anal soft rays: 72 - 78

Classification

Classified By

Chabanaud, 1948

Class

Ray-finned fishes (Actinopterygii)

Order

Flatfishes (Pleuronectiformes)

Family

Tonguefishes (Cynoglossidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: southeastern Brazil to central Argentina.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

7 m

Depth To - meters

190 m

Zone

demersal

Environment

Marine; demersal; depth range 7 - 190 m (Ref. 36453), usually 40 - 100 m (Ref. 36453)

Trophic Level

3.27 s.e. 0.39 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

13.9 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (29 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated