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Twoline prickleback (Esselenichthys laurae) fish species and information / pictures of Twoline prickleback - Esselenichthys laurae

Twoline prickleback (Esselenichthys laurae) fish species information

Scientific Name
Esselenichthys laurae

Common Name
Twoline prickleback

Biology
Dorsal spines (total): 38 - 43; Dorsal soft rays (total): 14-18; Anal spines: 2; Anal soft rays: 42 - 44; Vertebrae: 60 - 62. Pelvic fins present, each of a minute spine; first dorsal spine associated with first pterygiophore; first anal pterygiophore noticeably more massive than second; ventrolateral lateral line not connected; meridioventral lateral line absent (Ref. 48788). Caudal fin rounded.

Classification

Classified By

Follett & Anderson, 1990

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Pricklebacks (Stichaeidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: Farallon Islands, California to Punta Banda, Baja California Norte, Mexico.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

46 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 46 m (Ref. 48788)

Trophic Level

2.69 s.e. 0.27 Based on size and trophs of closest relatives

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

9.7 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

Unknown

Vulnerability

Low to moderate vulnerability (31 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