Scientific Name
Cynoglossus attenuatus

Common Name
Fourline tonguesole

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 110-120; Anal spines: 0; Anal soft rays: 88 - 95. Upper side brown with indistinct horizontal lines following scale rows; lower side whitish; each side with 2 lateral lines each (Ref. 4418).

Classification

Classified By

Gilchrist, 1904

Class

Ray-finned fishes (Actinopterygii)

Order

Flatfishes (Pleuronectiformes)

Family

Tonguefishes (Cynoglossidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: known only from Delagoa Bay, Mozambique to Durban, South Africa.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal

Trophic Level

3.5 s.e. 0.37 Based on food items.

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

31.0 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

Moderate vulnerability (35 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated