Species: Orthopristis chalceus, Humpback grunt
9 scale rows - LL to D origin
Orthopristis chalceus (Günther, 1864)
Humpback grunt
Body relatively deep (depth 2.2-2.4 in SL), strongly compressed; mouth short, ends before eye, with thin lips; chin with 2 front pores and 2 rear pores in central hole, plus a longitudinal groove; preopercle finely serrated, lower serrations do not point forwards with vertical margin straight; lower gill rakers 12-14; dorsal fin XII (rarely XIII), 14-15, without notch between spines and rays; anal fin with long base, III, 10-11, 2nd spine longer than 3rd; pectoral long, curved, pointed; tail forked; body scales without small accessory scales; 9-10 scale rows between lateral line and dorsal origin; soft dorsal and anal scaleless; 55-60 lateral line scales.
Silvery grey with oblique copper to orange bands corresponding with scale rows on upper half of side; white on ventral parts; iris gold; opercle dark orange inside, edge dark; fins whitish to dusky blackish (tail) except pectorals slightly yellow; not red inside mouth..
Size: grows to 45 cm.
Habitat: usually found over sand or rubble bottoms.
Depth: 0-35 m.
Central Baja and the Gulf of California to Peru, including the Galapagos.
High Resolution Map Download
- Salinity
-
- Brackish
- Marine
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom + water column
- Bottom
- Near Bottom
- Habitat
-
- Mud
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Estuary
- Soft bottom only
- Water column
- Sand & gravel
- FishBase Habitat
-
- Demersal
- Feeding Group
-
- No Data
- Carnivore
- Diet
-
- Mobile benthic crustacea (shrimps/crabs)
- Mobile benthic gastropods/bivalves
- No Data
- Egg Type
-
- Pelagic larva
- Pelagic
- No data
- Global Endemism
-
- East Pacific endemic
- Tropical Eastern Pacific (TEP) endemic
- All species
- Regional Endemism
-
- Island (s)
- All species
- Continent
- TEP endemic
- Continent + Island (s)
- Residency
-
- Resident
- Climate Zone
-
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- South Temperate (Peruvian Province )
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- IUCN Red List
-
- Least concern
- Listed
- CITES
-
- Not listed
- Length Max
-
- 45
- Depth Range Min
-
- 0
- Depth Range Max
-
- 35
