Graery threadfin seabass (Cratinus agassizii) fish species and information / pictures of Graery threadfin seabass - Cratinus agassizii

Graery threadfin seabass (Cratinus agassizii) fish species information

Scientific Name
Cratinus agassizii

Common Name
Graery threadfin seabass

Biology
Body elongate, not very deep, and little compressed; upper jaw lacking supramaxilla; teeth firmly placed; not folding back; lower branch of first gill arch with 12 to 15 gill rakers; 3 or 4 dorsal fin spines prolonged and filamentous; pelvic fins inserted slightly behind pectoral fins; anal fin with 7 soft rays; back light brown; belly pale; pectoral fins and prolonged dorsal spines reddish brown (Ref. 55763).

Classification

Classified By
Steindachner, 1878
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Sea basses: groupers and fairy basslets (Serranidae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: Ecuador to southern Peru. Also in the Eastern Central Pacific (Ref. 9342).
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
12 m
Zone
demersal
Environment
Marine; demersal; depth range 1 - 12 m (Ref. 55763)
Trophic Level
4.2 s.e. 0.73 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
60.0 cm
Common Length
30.0 cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial
Vulnerability
Moderate to high vulnerability (49 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
  Near Threatened (NT)