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Overview

Comprehensive Description

Description

  Common names: moray (English), morena (Espanol)
 
Gymnothorax porphyreus (Guichenot, 1848)

Lowfin moray

Head moderate to short (10-14% of TL); head and trunk ~ ½ TL;  snout short and broad; front nostril a short tube;  rear nostril at level of profile of head, just before front edge of eye, raised or in a short tube with a flared, wrinkled margin; mouth moderate; teeth strong, triangular, smooth, in two rows on top jaws, inner row at front of top jaw with 2-5 long canines; usually a single row of 6-12 teeth at front roof of mouth; gill opening a diagonal slit; dorsal fin low, its origin a little before gill opening.

Yellowish to grey-brown, with numerous, small (~ pupil-sized), close-set, often irregularly overlapping dark spots; nostrils and head pores dark; snout and mouth angle dark; gill opening dark but not in a black blotch; fins of small fish with pale margin or pale at rear.

Size: 130 cm.

Habitat: rocky reefs.


Depth: 1-13 m.


The southwest Pacific to the southeast Pacific (Chile) and north to southern Ecuador.
   
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Distribution

Range Description

This species is found in both the southwestern and southeastern Pacific. In the southwestern Pacific it is found at Lord Howe Island. In the Eastern Pacific it occurs from southern Ecuador to Chile. It is also found in Easter Island (Randall and McCosker, 1975).
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Zoogeography

See Map (including site records) of Distribution in the Tropical Eastern Pacific 
 
Global Endemism: All species, TEP non-endemic, Pacific only (East + Central &/or West), "Transpacific" (East + Central &/or West Pacific), All Pacific (West + Central + East)

Regional Endemism: All species, Tropical Eastern Pacific (TEP) non-endemic, Temperate Eastern Pacific, primarily, Peruvian province, primarily, Continent, Continent only

Residency: Vagrant

Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo), South Temperate (Peruvian Province )
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South Pacific: Subtropical waters from Lord Howe I. to South America.
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Southern Pacific: New Caledonia to Peru and Chile.
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Depth

Depth Range (m): 1 (S) - 13 (S)
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Physical Description

Morphology

Size

Length max (cm): 103.0 (S)
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Size

Maximum size: 346 mm TL
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Max. size

34.6 cm TL (male/unsexed; (Ref. 8880))
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Diagnostic Description

Its coloration is mostly dark brown irregular blotches over a pale yellow background.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This demersal species inhabits rocky and coral reefs.

Systems
  • Marine
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Environment

demersal; marine; depth range 1 - ? m (Ref. 8880)
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Depth range based on 4 specimens in 1 taxon.
Water temperature and chemistry ranges based on 4 samples.

Environmental ranges
  Depth range (m): 2 - 9.1
  Temperature range (°C): 17.024 - 22.496
  Nitrate (umol/L): 0.121 - 1.088
  Salinity (PPS): 34.226 - 35.552
  Oxygen (ml/l): 5.032 - 5.548
  Phosphate (umol/l): 0.145 - 0.405
  Silicate (umol/l): 1.233 - 2.486

Graphical representation

Depth range (m): 2 - 9.1

Temperature range (°C): 17.024 - 22.496

Nitrate (umol/L): 0.121 - 1.088

Salinity (PPS): 34.226 - 35.552

Oxygen (ml/l): 5.032 - 5.548

Phosphate (umol/l): 0.145 - 0.405

Silicate (umol/l): 1.233 - 2.486
 
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, Reef associated (reef + edges-water column & soft bottom)

FishBase Habitat: Demersal
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Trophic Strategy

Occurs inshore (Ref. 75154).
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Feeding

Feeding Group: Carnivore

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

Reproduction

Egg Type: Pelagic, Pelagic larva
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Gymnothorax porphyreus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 12
Species With Barcodes: 1
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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
McCosker, J. & Béarez, P.

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

Contributor/s

Justification
This species is widespread in the Eastern Pacific region. No major threats to this species are known, and there is no current indication of population decline. It is listed as Least Concern.
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IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Population

Population
No population information is available for this species.

Population Trend
Unknown
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Threats

Major Threats
There are no major threats known for this species.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There are no known specific conservation measures for this species.
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Wikipedia

Gymnothorax porphyreus

Gymnothorax porphyreus is a moray eel found in the south Pacific ocean.[1] It was first named by Guichenot in 1848,[1] and is commonly known as the Lowfin moray.[2]

References

  1. ^ a b Gymnothorax porphyreus at www.fishbase.org.
  2. ^ Common names for Gymnothorax porphyreus at www.fishbase.org.
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