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Castaneta (Nemadactylus bergi) fish species and information / pictures of Castaneta - Nemadactylus bergi

Castaneta (Nemadactylus bergi) fish species information

Scientific Name
Nemadactylus bergi

Common Name
Castaneta

Biology
Dorsal spines (total): 16 - 18; Dorsal soft rays (total): 24-28; Anal spines: 3; Anal soft rays: 12 - 15; Vertebrae: 34 - 36. 10th ray of pectoral fin elongated (Ref. 27363).

Classification

Classified By

Norman, 1937

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Morwongs (Cheilodactylidae)

Distribution

Region

Southeast Pacific

Distribution

Southeast Pacific: Chile. Southwest Atlantic: Rio de Janeiro, Brazil (Ref. 9062) to the Argentine Patagonia.

Range

23°S - 45°S

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

3.18 s.e. 0.36 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

39.5 cm

Common Length

25.0 cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial

Vulnerability

Moderate to high vulnerability (52 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm = 2)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated