Scientific Name
Scorpaenopsis gibbosa

Common Name
Humpbacked scorpionfish

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5. A black spot nearly as large as eye on inner surface of pectoral fins near base of first 5 rays; no black mark inside mouth at front of upper jaw. Ascending process of premaxilla narrow, its maximum width 1.8-2.2 in orbit diameter; a series of papillae or nodules (sometimes on a low ridge) across interorbital space between supraocular spines; nasal spine single (Ref 42181).

Classification

Classified By

Bloch & Schneider, 1801

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Scorpionfishes or rockfishes (Scorpaenidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: Kenya and Mozambique to islands in the western Indian Ocean.

Range

Unknown

Environment

Climate

Tropical

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

4.2 s.e. 0.73 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

21.0 cm

Common Length

20.0 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

Moderate to high vulnerability (46 of 100)

Resilience

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

Threat To Humans

Traumatogenic (Ref. 5503)

IUCN Red List Status

Not Evaluated