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Butterfly blenny (Blennius ocellaris) fish species and information / pictures of Butterfly blenny - Blennius ocellaris

Butterfly blenny (Blennius ocellaris) fish species information

Scientific Name
Blennius ocellaris

Common Name
Butterfly blenny

Biology
Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 14-16; Anal spines: 2; Anal soft rays: 15 - 16. Gill membranes not forming a fold across isthmus. Tentacles on nasal opening, above eye and on nape near first dorsal fin ray. Dentaries joined by suture. Lateral line reduced, discontinuous. Anterior part of dorsal fin conspicuously higher than posterior part.

Classification

Classified By

Linnaeus, 1758

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Combtooth blennies (Blenniidae)

Distribution

Region

Southeast Atlantic

Distribution

Southeast Atlantic: Atlantic coast from Morocco to the English Channel. Also known from the Mediterranean and Black Sea.

Range

50°N - 20°N, 18°W - 42°E

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

400 m

Zone

demersal

Environment

Marine; demersal; depth range 10 - 400 m

Trophic Level

3.49 s.e. 0.43 Based on food items.

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

20.0 cm

Common Length

Unknown 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: 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

Not Evaluated