Species: Stegastes otophorus, Freshwater Gregory, Freshwater Damselfish

Stegastes otophorus (Poey, 1860)
Freshwater Gregory, Freshwater Damselfish
Body oblong, compressed; snout bluntly pointed; 1 pair of nostrils; margin of preopercle serrated; margin of bone under eye serrated, without notch between it and the bone before it; mouth small, protrusible, opens at front; teeth in single row, long and close-set incisors; 10-13 lower gill rakers; a single continuous dorsal fin, XII-XIII, 12-14; anal fin II, 12-14; dorsal and anal fins extend past tail fin base, with angular lobes; pectoral rays 17-19; no projecting short spines at upper and lower base of tail fin; lobes of tail fin bluntly rounded; scales are moderately large and rough; body scaled, head largely scaled (snout scaled to nostrils), basal parts of the median fins scaled; lateral line incomplete, ends under end of dorsal fin base; lateral-line scales 16-19.
Adult: dark grey-brown, rear edges of soft dorsal and anal fins and tail fin broadly orange yellow; pectoral fin yellowish. Juvenile: dark brown, dotted blue lines on head running back along top of body; an indistinct elongate black blotch at rear corner of dorsal fin; soft dorsal and anal, tail fin and rear of tail base yellow.
Size: reaches 13 cm.
River mouths and low salinity areas; enters freshwater.
Depth: 0-3 m.
Cuba to the S Caribbean.

High Resolution Map Download
- Salinity
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- Brackish
- Freshwater
- Non Marine
- Inshore/Offshore
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- Inshore
- Inshore Only
- Water Column Position
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- Bottom
- Habitat
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- Sand & gravel
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Soft bottom only
- Estuary
- Freshwater
- FishBase Habitat
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- Demersal
- Feeding Group
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- Data
- Omnivore
- Diet
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- Data
- Benthic microalgae
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
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- Benthic
- Data
- Pelagic larva
- Global Endemism
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- All species
- Greater Caribbean endemic
- West Atlantic Endemic
- Regional Endemism
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- Continent
- Continent + Island (s)
- Continental primarily
- GC endemic
- Island (s)
- All species
- Residency
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- Resident
- Climate Zone
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- Equatorial (0-10N, Costa Rica / Venezuela)
- Tropical (10-23N, Nicaragua / Cuba)
- IUCN Red List
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- Data deficient
- Listed
- CITES
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- Not listed
- Length Max
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- 13
- Depth Range Min
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- 0
- Depth Range Max
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- 3