| Common names: blenny (English), trambollito (Espanol) |
Paraclinus monophthalmus (Günther, 1861)
Elongate, snout bluntly pointed; cirri present on nostril, above eye (branched), and on nape (narrow triangular flap); opercle with a distinct spiny projection; dorsal fin XXVIII-XXX, 1, 1st spine < 10% of SL; front 3 spines elevated then a deep notch before 4th spine, membrane between 3rd and 4th dorsal spines usually attached well below midpoint of 4th spine; anal rays II, 19-21; pectoral rays 11-14; pelvic I, 3; all fin rays unbranched; lateral-line scales 36-40; no skin flaps on scales.
Greyish to blackish; with faint dark bars on side; a black spot on upper part of gill cover; dorsal fin with broad white margin and ocellus on rear half; anal fin dark, with thin white margin; tail fin clear, with black bar at base.
Size: attains 8.5 cm.
Habitat: relatively rare, found in shallow weedy areas.
Depth: 0-5 m.
El Salvador to Panama.
Global Endemism: All species, East Pacific endemic, Tropical Eastern Pacific (TEP) endemic
Regional Endemism: All species, TEP endemic, Continental TEP endemic, Panamic province endemic, Continent, Continent only
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
Inshore/Offshore: Inshore, Inshore Only
Water Column Position: Bottom, Bottom only
Habitat: Reef (rock &/or coral), Reef only, Rocks, Macroalgae, Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat: Demersal
Habitat and Ecology
Depth range (m): 1 - 2
Depth range (m): 1 - 2
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Diet: mobile benthic worms, mobile benthic crustacea (shrimps/crabs), octopus/squid/cuttlefish
Life History and Behavior
CITES: Not listed
IUCN Red List Assessment
Red List Category
Red List Criteria
Paraclinus monophthalmus, known commonly as the One-eyed blenny, is a species of labrisomid blenny native to the Pacific coast of Central America where they occur in shallow waters with plentiful weed growth from Costa Rica to Panama. This species can reach a length of 8.5 centimetres (3.3 in) TL.
- Smith-Vaniz,B., Collette, B., Bussing, W., Guzman-Mora, A.G. & Salas, E. 2010. Paraclinus monophthalmus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 09 December 2013.
- Froese, Rainer and Pauly, Daniel, eds. (2013). "Paraclinus monophthalmus" in FishBase. October 2013 version.
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