Overview

Comprehensive Description

Description

  Common names: blenny (English), trambollito (Espanol)
 
Paraclinus monophthalmus (Günther, 1861)


One-eyed blenny


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.
   
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Biology

A relatively rare species found in shallow weedy areas.
  • Allen, G.R. and D.R. Robertson 1994 Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
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Distribution

Range Description

This species is present in the eastern central Pacific from El Salvador to Panama.
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Zoogeography

See Map (including site records) of Distribution in the Tropical Eastern Pacific 
 
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

Residency: Resident

Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
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Eastern Central Pacific: Costa Rica and Panama.
  • Allen, G.R. and D.R. Robertson 1994 Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
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Eastern Pacific: Central America.
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Depth

Depth Range (m): 0 (S) - 5 (S)
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Physical Description

Morphology

Size

Length max (cm): 8.5 (S)
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Size

Maximum size: 85 mm NG
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Max. size

8.5 cm TL (male/unsexed; (Ref. 11482))
  • Allen, G.R. and D.R. Robertson 1994 Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is demersal and found to 5m. This species is found on rocky reefs covered in a thin layer of algae.

Systems
  • Marine
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Environment

demersal; marine
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Depth range based on 19 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 1 - 2

Graphical representation

Depth range (m): 1 - 2
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Salinity: Marine, Marine Only

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
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Trophic Strategy

Feeding

Feeding Group: Carnivore

Diet: mobile benthic worms, mobile benthic crustacea (shrimps/crabs), octopus/squid/cuttlefish
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Life History and Behavior

Reproduction

Egg Type: Benthic, Pelagic larva
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Smith-Vaniz,B., Collette, B., Bussing, W., Guzman-Mora, A.G. & Salas, E.

Reviewer/s
Carpenter, K., Polidoro, B. & Livingstone, S. (Global Marine Species Assessment Team)

Contributor/s

Justification
This species is listed as Least Concern. It is a rare species within a wide distribution. There are no known threats.
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IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Population

Population
This is a rare species. There is no population information available on this species.

Population Trend
Unknown
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Threats

Major Threats
There are no major threats known for this species. There is no specific use for this species.
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Least Concern (LC)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
There are no known conservation measures for this species. However, this species' distribution includes a number of Marine Protected Areas in the tropical eastern Pacific region.
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Wikipedia

Paraclinus monophthalmus

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.[2]

References[edit]

  1. ^ 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.
  2. ^ Froese, Rainer and Pauly, Daniel, eds. (2013). "Paraclinus monophthalmus" in FishBase. October 2013 version.


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