Species: Diapterus brevirostris, Peruvian mojarra, Short-snout mojarra
Diapterus brevirostris Sauvage, 1879
Peruvian mojarra, Short-snout mojarra
Body rhomboidal (depth ~ 50% of SL), compressed; the lower profile of the head distinctively concave; the mouth highly extensible, pointing downward when protruded; lower border of preopercle finely serrated; bone under front of eye with smooth border; teeth inside throat all pointed; dorsal rays IX, 10, elevated at front, slight notch between spiny and soft dorsal, 2nd spine longer than distance between tip of snout and rear of eye; anal rays III, 8, second spine very long and thick; dorsal and anal fin lobes long; pectoral fins relatively long, reaching slightly beyond anal fin origin; tail fin deeply forked, with long pointed lobes; lateral line along longitudinal axis of tail base; scales on front of body not larger than those at rear, conspicuous and finely rough, covering most of head and body; dorsal and anal fins fold into a high scaly sheath along their bases; lateral-line scales 37-40.
Overall silvery, pelvic and anal fins yellowish.
Size: to 38 cm.
Inhabits sandy bays and estuaries, including brackish lower parts of streams.
Depth: 0-30 m?
Southern Baja and the lower 2/3 of the Gulf of California to Peru, and the Galapagos and Revillagigedos.
Note: Formerly Diapterus peruvianus.
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- Inshore Only
- Water Column Position
- Bottom only
- Soft bottom only
- Sand & gravel
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- FishBase Habitat
- Feeding Group
- Mobile benthic worms
- Mobile benthic gastropods/bivalves
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
- Pelagic larva
- No data
- Global Endemism
- Tropical Eastern Pacific (TEP) endemic
- East Pacific endemic
- All species
- Regional Endemism
- Island (s)
- All species
- Continent + Island (s)
- TEP endemic
- Climate Zone
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- IUCN Red List
- Not evaluated / Listed
- Not listed
- Length Max
- Depth Range Min
- Depth Range Max