Species: Emblemariopsis diaphana, Florida Smoothhead Glass Blenny, Glass Blenny
female: front pale brown + lines white dots, D front white & brown, spinal column orange & white

Emblemariopsis diaphana Longley, 1927
Glass Blenny, Florida Smoothhead Glass Blenny
Body elongate; head short and blunt, without spines; snout with a pair of smooth bony ridges; no cirrus over eye; 1 row of teeth on each side of roof of mouth; dorsal fin XX-XXI, 12-14, in both sexes,1st and often 2nd dorsal spine longer than 3rd, then spines increase in size, with central spines longest, 1st soft ray twice length of 1st spine, female 1st 2 spines elevated; anal fin II, 21-23; pectoral rays 13; pelvics I (internal), 3, inserted before pectoral base, much shorter than pectorals; all fin rays unbranched; no lateral line; no scales.
Female: head and body to level of pectoral base translucent brownish olive, with white dots forming lines, with brown spots along lower jaw; rest of fish translucent; front of dorsal fin white and brown; spinal column orange-brown and white, top of head with oval or line between a V. Male: similar to female except with black head, often white spots on side of head, front of dorsal fin black, with thin white border.
Reaches 3 cm.
Habitat found on live massive corals.
Depth range: 1-22 m.
Florida to the SW Gulf of Mexico.

High Resolution Map Download
- Salinity
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- Marine
- Marine Only
- Inshore/Offshore
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- Inshore
- Inshore Only
- Water Column Position
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- Bottom
- Habitat
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- Reef only
- Rocks
- Corals
- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- FishBase Habitat
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- Reef Associated
- Feeding Group
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- Carnivore
- Data
- Planktivore
- Diet
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- Data
- Zooplankton
- Mobile benthic crustacea (shrimps/crabs)
- Mobile benthic worms
- 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)
- GC endemic
- Gulf of Mexico endemic
- Island (s)
- All species
- Residency
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- Resident
- Climate Zone
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- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- Tropical (10-23N, Nicaragua / Cuba)
- IUCN Red List
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- Least concern
- Listed
- CITES
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- Not listed
- Length Max
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- 3
- Depth Range Min
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- 1
- Depth Range Max
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- 22