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Setting up your tank

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250L community aquarium

Cape knifejaw (Oplegnathus conwayi) fish species and information / pictures of Cape knifejaw - Oplegnathus conwayi

Cape knifejaw (Oplegnathus conwayi) fish species information

Scientific Name
Oplegnathus conwayi

Common Name
Cape knifejaw

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 11-14; Anal spines: 3; Anal soft rays: 11 - 13

Classification

Classified By

Richardson, 1840

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Knifejaws (Oplegnathidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: South Africa.

Range

28°S -

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

150 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range ? - 150 m

Trophic Level

2.7 s.e. 0.24 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

90.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial; gamefish: yes

Vulnerability

Moderate vulnerability (42 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (tmax > 10)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated