Species: Cratinus agassizii, Grey threadfin sea-bass
elongate
head long, low, pointed
head long, low, pointed
D: X, middle spines longer than head
grey
Cratinus agassizii Steindachner, 1878
Grey threadfin sea-bass
Body elongate; head long, low and pointed; mouth large, oblique, lower jaw proyecting; preopercle serrated; rakers on first gill arch 19-20; dorsal rays X, 13; third to fifth (sometimes also sixth and seventh) dorsal spines prolonged and bearing filaments; at least in adults; anal rays III, 7; pectoral rays 19; midlateral scale rows about 80-90; scales small, very rough; tail edge straight.
Grey to brown, sometimes 6-7 faint dark bars on side.
Size: grows to at least 61 cm.
Inhabits mangrove areas and shallow bays, occasionally seen on rocky reefs.
Depth: 1-25 m.
Ecuador to northern Peru, and the Galapagos.
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Species Data
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- Salinity
-
- Brackish
- Marine
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom only
- Bottom
- Habitat
-
- Reef associated (reef + edges-water column & soft bottom)
- Estuary
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Reef and soft bottom
- Reef (rock/coral/oyster)
- Rocks
- FishBase Habitat
-
- Demersal
- Feeding Group
-
- Carnivore
- Data
- Diet
-
- Data
- Bony fishes
- Egg Type
-
- Pelagic larva
- Pelagic
- No data
- Global Endemism
-
- East Pacific endemic
- All species
- TEP non-endemic
- Regional Endemism
-
- Temperate Eastern Pacific, primarily
- Continent
- Peruvian province, primarily
- All species
- Island (s)
- Tropical Eastern Pacific (TEP) non-endemic
- Continent + Island (s)
- Residency
-
- Resident
- Climate Zone
-
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- South Temperate (Peruvian Province )
- IUCN Red List
-
- Listed
- Near threatened
- CITES
-
- Not listed
- Length Max
-
- 61
- Depth Range Min
-
- 1
- Depth Range Max
-
- 25
