Overview

Comprehensive Description

Description

  Common names: night-sergeant (English), pintaño (Espanol), petaca (Espanol)
 
Abudefduf concolor (Gill, 1862)


Pacific night-sergeant



Body relatively deep, oblong, compressed; 1 pair of nostrils;  suborbital bone under eye fused to cheek, its lower border completely covered with scales; preopercle with smooth edge; mouth small, protrusible; teeth in single row, with notched or flat tips; gill rakers 20-25; a single continuous dorsal fin, XIII, 12-13; anal rays II, 10; pectoral rays 18-20; no projecting short spines at upper and lower base of tail fin; caudal fin forked; scales are moderately large and rough; body scaled, head largely scaled, as are the basal parts of the median fins; lateral line incomplete, ends under end of dorsal fin base; lateral-line scales 19-21.


Head golden brown; body grey with 4-5 relatively narrow whitish bars; most of body scales with narrow dark outline; narrow blackish bar or wedge-shaped mark on pectoral-fin base; lips whitish


Maximum size to 19 cm.

Inhabits rocky inshore reefs exposed to wave action.

Depth: 0-5 m.

El Salvador to Peru, including the Galapagos, Cocos and Malpelo.
   
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Biology

Adults inhabit rocky inshore reefs exposed to wave action (Ref. 9334). Omnivorous (Ref. 9334). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
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Distribution

Range Description

This species is endemic to the Eastern Pacific, and is found from El Salvador to Peru, including the Galapagos, Cocos and Malpelo Islands.
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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, Continent + Island (s), Continent, Island (s)

Residency: Resident

Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos), Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo), South Temperate (Peruvian Province )
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Eastern Pacific: lower Gulf of California to Peru, including the Galapagos Islands.
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Eastern Pacific.
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Depth

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

Morphology

Dorsal spines (total): 13; Dorsal soft rays (total): 12 - 13; Analspines: 2; Analsoft rays: 10 - 12
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Size

Length max (cm): 19.0 (S)
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Size

Maximum size: 150 mm SL
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Max. size

19.0 cm TL (male/unsexed; (Ref. 28023))
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Diagnostic Description

Color dark brown, becoming lighter ventrally. Six vertical stripes of about eye diameter in width on the sides, the first running from the top of the head and the sixth from the posterior base of the dorsal fin.
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Type Information

Unconfirmed type for Abudefduf concolor
Catalog Number: USNM 5078
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): Dow
Locality: Panama, Pacific
  • Unconfirmed type: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Syntype for Abudefduf concolor
Catalog Number: USNM 4376
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Dow
Locality: San Salvador., El Salvador, Pacific
  • Syntype: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Syntype; Type for Abudefduf concolor
Catalog Number: USNM 4355
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Dow
Locality: San Salvador, San Salvador Department, El Salvador, North America, Pacific
  • Syntype: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.; Type: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Syntype for Abudefduf concolor
Catalog Number: USNM 4362
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Dow
Locality: San Salvador., El Salvador, Pacific
  • Syntype: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Syntype for Abudefduf concolor
Catalog Number: USNM 4361
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Dow
Locality: San Salvador., El Salvador, Pacific
  • Syntype: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Syntype for Abudefduf concolor
Catalog Number: USNM 4359
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Dow
Locality: San Salvador., El Salvador, Pacific
  • Syntype: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Syntype for Abudefduf concolor
Catalog Number: USNM 4357
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Dow
Locality: San Salvador., El Salvador, Pacific
  • Syntype: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Syntype for Abudefduf concolor
Catalog Number: USNM 30986
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Dow
Locality: San Salvador., El Salvador, Pacific
  • Syntype: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Syntype for Abudefduf concolor
Catalog Number: USNM 4358
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Dow
Locality: San Salvador., El Salvador, Pacific
  • Syntype: Gill, T. N. 1862. Proceedings of the Academy of Natural Sciences of Philadelphia. 14 (3-4): 145.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is associated with shallow reef habitat to depths of 5m. It primarily iinhabits rocky inshore reefs exposed to wave action (Schneider and Krupp, 1995), and is common in intertidal and shallow subtidal rocky bottom habitats in the Galapagos, Gorgona, and elsewhere along the continental coast.

Systems
  • Marine
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Environment

reef-associated; non-migratory; marine; depth range 0 - 12 m (Ref. 55763)
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Depth range based on 28 specimens in 1 taxon.
Water temperature and chemistry ranges based on 7 samples.

Environmental ranges
  Depth range (m): 0.16 - 17
  Temperature range (°C): 23.233 - 27.666
  Nitrate (umol/L): 0.162 - 4.634
  Salinity (PPS): 32.938 - 35.143
  Oxygen (ml/l): 4.635 - 4.733
  Phosphate (umol/l): 0.165 - 0.643
  Silicate (umol/l): 0.867 - 4.346

Graphical representation

Depth range (m): 0.16 - 17

Temperature range (°C): 23.233 - 27.666

Nitrate (umol/L): 0.162 - 4.634

Salinity (PPS): 32.938 - 35.143

Oxygen (ml/l): 4.635 - 4.733

Phosphate (umol/l): 0.165 - 0.643

Silicate (umol/l): 0.867 - 4.346
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 0 - 5m.
Recorded at 5 meters.

Habitat: reef-associated.
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Salinity: Marine, Brackish

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: Reef Associated
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Trophic Strategy

Inhabits rocky inshore reefs exposed to wave action (Ref. 9334). Omnivore (Ref. 9334, 57615).
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Feeding

Feeding Group: Omnivore

Diet: benthic microalgae, sessile crustacea, sessile worms, sessile molluscs
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Life History and Behavior

Life Cycle

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
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Reproduction

Egg Type: Benthic, Pelagic larva
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Abudefduf concolor

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 9
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
Allen, G., Robertson, R., Rivera, R.,Edgar, G., Merlen, G., Zapata, F. & Barraza, E.

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

Contributor/s

Justification
This species is widespread in the Eastern Pacific, and is common in many parts of its range. There are no major threats for this species, and 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
This species is locally common insuitable habitat throughout its range. At Gulf Dulce, Costa Rica, a density of 0.005±0.009 ind./ m2 and a relative abundance of 0.126% were recorded for this species (Figueroa, 2001)

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 conservation measures for this species. However, this species distribution falls partially into a number of Marine Protected Areas in the Eastern Pacific region (WDPA 2006).
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Wikipedia

Dusky sergeant

The dusky sergeant (Abudefduf concolor, family Pomacentridae) is a damselfish endemic to the eastern Atlantic Ocean.

Geographic distribution[edit]

Abudefduf concolor is found in the Eastern Pacific, from El Salvador to Peru, including the Galapagos, Cocos and Malpelo Islands.[1]

Ecology[edit]

This species is found in shallow Marine reef (primarily rocky inshore reefs exposed to wave action) habitats up to five meters in depth. [1]


References[edit]

  1. ^ a b c Allen, G., Robertson, R., Rivera, R.,Edgar, G., Merlen, G., Zapata, F. & Barraza, E. (2010). "Abudefduf concolor". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. 


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