Short-lined escolar (Rexea brevilineata) fish species and information / pictures of Short-lined escolar - Rexea brevilineata

Short-lined escolar (Rexea brevilineata) fish species information

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