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Overview

Comprehensive Description

Description

  Common names: chromis (English), damselfish (English), castañuela (Espanol), castañeta (Espanol)
 
Chromis limbaughi Greenfield & Woods, 1980


Blue and yellow chromis,     Limbaugh's damselfish



Body deep, oval, greatest body depth 1.8-2.2 in SL; 1 pair of nostrils; edge of bone under eye smooth; preopercle smooth or with occasional fine serrations; mouth short, protrusible, oblique, opens at front; teeth in 2 rows, outer conical, larger; gill rakers 27-31; a single continuous dorsal fin, XIII, 11-12; anal II, 11; pectoral rays 18-19; 2-3 short projecting spines at upper and lower base of tail fin; tail forked, rounded tips; scales large and rough; 15-18 lateral line scales; body scaled,  most of head scaled, basal parts of the median fins scaled; lateral line incomplete, ends under end of dorsal fin base.



Bluish grey with a largely bright blue head and with yellow dorsal, caudal, and anal fins; yellow coloration of dorsal fin usually continuous with pale yellowish or whitish caudal peduncle; juveniles  largely bright blue on anterior two-thirds and bright yellow posteriorly, the yellow region confluent with yellow dorsal, tail, and anal fins.


Maximum size to 12 cm.

Inhabits rocky shores.

Depth: 5-75 m.

The lower 2/3 of the Gulf of California, and the Revillagigedos islands.
   
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Biology

Adults inhabit rocky reefs (Ref. 9334). They feed mainly on plankton (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 southern Baja California and the Gulf of California, and the Revillagigedos Islands (Robertson and Allen 2006).
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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 Subtropical (Cortez Province + Sinaloan Gap), Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
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Eastern Central Pacific: Gulf of California.
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Gulf of California.
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Depth

Depth Range (m): 5 (S) - 75 (S)
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Physical Description

Morphology

Dorsal spines (total): 13; Dorsal soft rays (total): 11 - 12; Analspines: 2; Analsoft rays: 11
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Size

Length max (cm): 12.0 (S)
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Size

Maximum size: 100 mm SL
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Max. size

10.0 cm SL (male/unsexed; (Ref. 7247))
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Diagnostic Description

Caudal fin lobes rounded.
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Type Information

Paratype for Chromis limbaughi Greenfield & Woods
Catalog Number: USNM 219029
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Radiograph
Collector(s): R. Rosenblatt & et al.
Year Collected: 1961
Locality: Mexico, Gulf of California, Espiritu Santo Island, Boca De Partida, Baja California Sur, Mexico, Pacific
Depth (m): 24.4
  • Paratype: Greenfield, D. W. & Woods, L. P. 1980. Copeia. 1980 (4): 627.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species inhabits rocky reefs (Allen 1991) to depths of 75 m.

Systems
  • Marine
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Environment

reef-associated; non-migratory; marine; depth range 4 - 75 m (Ref. 7247)
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Depth range based on 3 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 6 - 31.5
  Temperature range (°C): 19.490 - 23.459
  Nitrate (umol/L): 0.739 - 8.632
  Salinity (PPS): 35.034 - 35.036
  Oxygen (ml/l): 4.242 - 4.970
  Phosphate (umol/l): 0.656 - 1.385
  Silicate (umol/l): 4.734 - 17.402

Graphical representation

Depth range (m): 6 - 31.5

Temperature range (°C): 19.490 - 23.459

Nitrate (umol/L): 0.739 - 8.632

Salinity (PPS): 35.034 - 35.036

Oxygen (ml/l): 4.242 - 4.970

Phosphate (umol/l): 0.656 - 1.385

Silicate (umol/l): 4.734 - 17.402
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 4 - 75m.
From 4 to 75 meters.

Habitat: reef-associated. Inhabits inshore and offshore rocky reefs. Feeds on plankton (Ref. 9334).
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Salinity: Marine, Marine Only

Inshore/Offshore: Inshore, Inshore Only

Water Column Position: Near Bottom, Bottom, Bottom + water column

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

Feeding

Feeding Group: Planktivore

Diet: zooplankton, pelagic fish eggs
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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: Chromis limbaughi

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
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.

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 at least part 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 common in at least some parts of its range. According to Aburto-Oropeza and Balart (2001), Chromis limbaughi is a frequent and abundant species at Los Islotes, Gulf of California, with an occurrence frequency between 30-70%.

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 conservation measures known for this species. However, it may be present in some Marine Protected Areas in Mexico (WDPA 2006).
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Wikipedia

Chromis limbaughi

Chromis limbaughi is a Chromis from the Eastern Central Pacific. It occasionally makes its way into the aquarium trade. It grows to a size of 10 cm in length.

References[edit]

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