Species: Girella simplicidens, Gulf opaleye


Girella simplicidens Osburn & Nichols, 1916
Gulf opaleye
Body oval, moderately compressed; head blunt, short; mouth small, square, lips thick, opens at the front; the top jawbone slips partially under the under-eye bone when the mouth is closed; teeth incisiform, bases set horizontally in mouth, with curved, hockey-stick shape, outer band of large movable teeth with flattened, 1 pointed tips; no teeth on central roof of mouth; dorsal fin continuous, XIV spines that fold down into a scaly groove, 14; anal rays III, 12; spines on fins short, thick; dorsal and anal fins with angular tips; tail straight, angular tips; paired fins are relatively short; origin of the pelvics behind the base of the pectoral fin; scales small, thick and rough, covering the body, head (except the snout) and soft portions of the median fins; scales in midlateral series about 50.
Dark brownish grey, usually slightly lighter on head and breast; three or four diffuse whitish spots on upper back below dorsal-fin base; eye bright blue.
Size: to 46 cm.
Habitat: often seen in large schools that graze on algae on rocky reefs.
Depth: 1-15 m.
Gulf of California; abundant in the northern Gulf, but scarce in the southern portion.

High Resolution Map Download
- Salinity
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- Marine
- Marine Only
- Inshore/Offshore
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- Inshore Only
- Inshore
- Water Column Position
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- Bottom
- Near Bottom
- Bottom + water column
- Habitat
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- Rocks
- Reef associated (reef + edges-water column & soft bottom)
- Submerged vegetation
- Reef only
- Water column
- Reef (rock/coral/oyster)
- FishBase Habitat
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- Bentho-Pelagic
- Feeding Group
-
- Data
- Omnivore
- Diet
-
- Data
- Ectoparasites
- Benthic macroalgae/seagrasses
- Sessile crustacea
- Sessile worms
- Sessile molluscs
- Benthic microalgae
- Egg Type
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- Pelagic larva
- Pelagic
- No data
- Global Endemism
-
- All species
- TEP non-endemic
- East Pacific endemic
- Regional Endemism
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- California province, primarily
- Continent only
- Continent
- All species
- Tropical Eastern Pacific (TEP) non-endemic
- Temperate Eastern Pacific, primarily
- Residency
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- Resident
- Climate Zone
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- Northern Subtropical (Cortez Province + Sinaloan Gap)
- North Temperate (Californian Province &/or Northern Gulf of California)
- IUCN Red List
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- Least concern
- Listed
- CITES
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- Not listed
- Length Max
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- 46
- Depth Range Min
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- 1
- Depth Range Max
-
- 15