Scientific Name
Cynoscion nortoni

Common Name
hake weakfish

Biology
Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 23-26; Anal spines: 2; Anal soft rays: 9 - 10; Vertebrae: 25. A moderate sized Cynoscion, the largest specimen is 353 mm TL. It can be distinguished from its congeners by : a long head contained 2.8 to 3 times in SL, a large eye contained 5.1 to 5.8 times in head length (HL), a low gill raker count, a relatively high number of dorsal-fin rays (23-26), a long pectoral fin contained 1.6 in HL, a dark steel grey color on its dorsum and a black pigmented oral cavity.

Classification

Classified By

B?arez, 2001

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Drums or croakers (Sciaenidae)

Distribution

Region

Southeast Pacific

Distribution

Southeast Pacific: Ecuador.

Range

0°S - 5°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

100 m

Depth To - meters

200 m

Zone

benthopelagic

Environment

Marine; benthopelagic; non-migratory; depth range 100 - 200 m (Ref. 43583)

Trophic Level

3.85 s.e. 0.58 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

40.0 cm

Common Length

30.0 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

Fisheries: minor commercial

Vulnerability

Low to moderate vulnerability (30 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

Data deficient (DD)