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Setting up your tank

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Knife-back seabream (Polyamblyodon gibbosum) fish species and information / pictures of Knife-back seabream - Polyamblyodon gibbosum

Knife-back seabream (Polyamblyodon gibbosum) fish species information

Scientific Name
Polyamblyodon gibbosum

Common Name
Knife-back seabream

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 10 - 11. Grey-blue in color.

Classification

Classified By

Pellegrin, 1914

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Porgies (Sparidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: Beira, Mozambique to Natal, South Africa and Madagascar.

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

reef-associated

Environment

Marine; reef-associated

Trophic Level

3.55 s.e. 0.50 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

60.0 cm

Common Length

35.0 cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: subsistence fisheries

Vulnerability

High vulnerability (57 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated