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Liopropoma fasciatum — Details

Wrasse Ass Bass learn more about names for this taxon

Overview

Comprehensive Description

Description

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Common names: bass (English), basslet (English), cabrilla (Espanol), menta (Espanol), merito (Espanol)

Liopropoma fasciatum Bussing, 1980

Rainbow basslet, Rainbow bass, Wrasse ass bass

Body moderately elongate and compressed; head pointed, with nearly horizontal upper profile; eye moderate to large; mouth moderately large, slightly oblique, lower jaw projecting; lower rear corner of top jaw bone with prominent, bluntly pointed, ventral projection; rear edge of preopercle serrated; operculum with 3 broad flat spines at rear; dorsal fin with VIII spines, 12, strongly notched, 3rd spine longest; anal rays III,8; pectoral rays 15; tail base deep, strongly compressed; tail slightly concave; scales small, rough; pored lateral-line scales 46-47.

Head and belly pinkish purple, fading to reddish below; a dark brown midlateral stripe with yellow stripe above and below, also a red to brownish stripe below base of dorsal fin with narrow yellow stripe above.

Size: to 26.5 cm.

Inhabits rocky and coral reefs.

Depth: 25-250 m.

Central Gulf of California to Peru, Clipperton, Cocos, Malpelo and the Galapagos.

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Biology

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Inhabits deep walls and reefs; most common below 33 m. Reclusive, lurks in cracks, crevices and under large overhangs (Ref. 5227).

Allen, G.R. and D.R. Robertson 1994 Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482) http://www.fishbase.org/references/FBRefSummary.php?id=11482&speccode=46802

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Distribution

Range Description

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This species is endemic to the Eastern Pacific, and is found from the central Gulf of California to northern Peru, including the Clipperton, Cocos, Malpelo and the Galapagos Islands.

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Depth

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Depth Range (m): 25 (S) - 250 (S)

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Zoogeography

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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, Continent + Island (s), Continent, Island (s)

Residency: Resident

Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap), Northern Tropical (Mexican Province to Nicaragua + Revillagigedos), Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)

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Eastern Pacific: southern California to Peru, including the Galapagos Islands (Ref. 5227).

Allen, G.R. and D.R. Robertson 1994 Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482) http://www.fishbase.org/references/FBRefSummary.php?id=11482&speccode=46802

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Physical Description

Morphology

Size

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Length max (cm): 26.5 (S)

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Size

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Maximum size: 178 mm ---

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Max. size

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17.8 cm SL (male/unsexed; (Ref. 5227))

Humann, P. and N. Deloach 1993 Reef fish identification. Galápagos. New World Publications, Inc., Florida. 267 p. (Ref. 5227) http://www.fishbase.org/references/FBRefSummary.php?id=5227&speccode=13417

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Ecology

Habitat

Habitat and Ecology

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Habitat and Ecology

This reef-associated species inhabits rocky and coral reefs from 25 to 250m. It feeds on mobile benthic crustaceans and bony fishes.

Systems

Marine

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Depth range based on 2 specimens in 1 taxon.

Environmental ranges
Depth range (m): 4 - 73

Graphical representation

Depth range (m): 4 - 73

Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 24 - 250m.
From 24 to 250 meters.

Habitat: reef-associated. Inhabits deep walls and reefs; most common below 33 m. Reclusive, lurks in cracks, crevices and under large overhangs (Ref. 5227).

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Habitat

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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, Corals, Reef associated (reef + edges-water column & soft bottom)

FishBase Habitat: Reef Associated

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Environment

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reef-associated; marine; depth range 24 - 250 m (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) http://www.fishbase.org/references/FBRefSummary.php?id=11482&speccode=46802

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Trophic Strategy

Feeding

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Feeding Group: Carnivore

Diet: mobile benthic crustacea (shrimps/crabs), bony fishes

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Life History and Behavior

Reproduction

Reproduction

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Egg Type: Pelagic, Pelagic larva

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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category

LC

Least Concern

Red List Criteria

Version

3.1

Year Assessed

2010

Assessor/s

Smith-Vaniz, B, Robertson, R., Dominici-Arosemena, A., Molina, H., Salas, E., Guzman-Mora, A.G.

Reviewer/s

Carpenter, K., Polidoro, B., Livingstone, S. (Global Marine Species Assessment Team)

Justification

This species is widespread in the Eastern Pacific, and is found in deeper waters. There are no major threats known, and no current indication of widespread population decline. It is listed as Least Concern.

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Conservation status

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IUCN Red List: Not evaluated / Listed

CITES: Not listed

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Trends

Population

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Population

There is no population information available for this species. This species is not considered common, but is cryptic and may be overlooked. For example, it is considered rare in Malpelo Island. It may be more abundant at greater depths. For example, it is considered common between 50 and 100 m at Clipperton Island (Robertson, pers comm 2007).

Population Trend

Unknown

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Threats

Threats

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Major Threats

There are no major threats known for this species. Because it is a deep-water species, it is unlikely that collection for the aquarium trade is a threat to this species.

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Least Concern (LC)

IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. http://www.fishbase.org/references/FBRefSummary.php?id=57073

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Management

Conservation Actions

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Conservation Actions

There are no known species specific conservation measures. However, this species' distribution includes a number of Marine Protected Areas in the Eastern Pacific region.

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