Blue-dashed rockskipper (Blenniella periophthalmus) fish species and information / pictures of Blue-dashed rockskipper - Blenniella periophthalmus

Blue-dashed rockskipper (Blenniella periophthalmus) fish species information

Scientific Name
Blenniella periophthalmus

Common Name
Blue-dashed rockskipper

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 19-21; Anal spines: 2; Anal soft rays: 20 - 22. Three color-pattern types described for different localities (see Ref. 9962). Body of males with 6-7 dusky bands with 1 or a pair of dark margined, pale, oblong spots on each band; dark spots on spinous dorsal, dusky lines on rayed dorsal. Females with spots on caudal peduncle; body sometimes with fine dark specks (Ref. 4404).

Classification

Classified By

Valenciennes, 1836

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Combtooth blennies (Blenniidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Red Sea south to Durban, South Africa, east to the Marquesas and Tuamoto Islands, north to the Ryukyu Islands; throughout Micronesia.

Range

30°N - 30°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

3 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 0 - 3 m (Ref. 30874)

Trophic Level

2.07 s.e. 0.10 Based on diet studies.

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

15.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low to moderate vulnerability (32 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