Species: Pherallodiscus varius, Dimorphic clingfish, Southern fraildisc clingfish


Pherallodiscus varius Briggs, 1955
Southern fraildisc clingfish, Dimorphic clingfish
Body broad, slightly depressed; head moderately slender, depressed , snout shallow and flat; top lip broad, wider at front than sides; rear nostril over front edge of eye, front nostril with conspicuous 2-lobed flap; top jaw with a patch of conical teeth, followed by a row of canines behind; 5-6 pairs of round-tipped incisors at front of lower jaw, with patch of small conical teeth behind, followed by row of slightly curved canines; small papillae on lower jaw and extremities of mouth; anus closer to anal origin than sucker; sucker disc large (24-43% of SL), without papillae at front and center, 2 rows of papillae across rear; pectoral 16-18 rays, in male lower 4 rays swollen; a small round fleshy swelling at pectoral base;dorsal 9-10 rays; anal 6-7 rays; tail 7-9 rays.
(Preserved fish) Head and body, and fin rays light brown; small dark spots along pectoral rays.
Size: 2.3 cm.
Habitat: rocky bottoms.
Depth: 0-5 m?
Central Mexico.

High Resolution Map Download
- Salinity
-
- Marine Only
- Marine
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom
- Bottom only
- Habitat
-
- Reef (rock/coral/oyster)
- Reef only
- Rocks
- Reef associated (reef + edges-water column & soft bottom)
- FishBase Habitat
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- Reef Associated
- Feeding Group
-
- No Data
- Carnivore
- Diet
-
- No Data
- Mobile benthic gastropods/bivalves
- Mobile benthic worms
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
-
- Pelagic larva
- No data
- Benthic
- Global Endemism
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- East Pacific endemic
- All species
- Tropical Eastern Pacific (TEP) endemic
- Regional Endemism
-
- Mexican province endemic
- TEP endemic
- Continent only
- Continent
- Continental TEP endemic
- All species
- Residency
-
- Resident
- Climate Zone
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- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- IUCN Red List
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- Listed
- Data deficient
- CITES
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- Not listed
- Depth Range Max
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- 5
- Depth Range Min
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- 0
- Length Max
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- 2.3