Scientific Name
Rexea brevilineata

Common Name
Short-lined escolar

Biology
Dorsal spines (total): 18; Dorsal soft rays (total): 15-18; Anal spines: 2; Anal soft rays: 12 - 14; Vertebrae: 34. Lateral line branching below the 5th to 7th spine of the first dorsal fin, usually ending below the third to the last spine of the first dorsal fin. The lower branch runs mid laterally, sometimes undulating on caudal peduncle. Body is entirely scaled at a length of over 20 cm SL. Pyloric caeca 7 or 8. Body color is brown with silvery tint; anterior 2 membranes of the first dorsal fin black, the rest of the fin black edged; the posterior part of the pectoral fin is black.

Classification

Classified By

Parin, 1989

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Snake mackerels (Gempylidae)

Distribution

Region

Southeast Pacific

Distribution

Southeast Pacific: known only from seamounts of Nazca Submarine Ridge and adjacent parts of Sala y Gomez Ridge.

Range

20°S - 27°S, 90°W - 81°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

180 m

Depth To - meters

400 m

Zone

benthopelagic

Environment

Marine; benthopelagic; depth range 180 - 400 m (Ref. 6181)

Trophic Level

4.5 s.e. 0.62 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

43.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (42 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (tmax=15)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated