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Overview |
Main identification features
- deep, oval
- dark grey to black
- juvenile: blue + white stripe along dorsal fin base
Deep, oval body; dorsal rays XIII, 12-14; anal rays II,12-13; pectoral rays 19-21; lateral-line scales 16-19; gill rakers on first arch 27- 33; greatest body depth 1.8-2.2 in standard length.
Adults overall light brown with darker scale margins; juveniles blue with neon-blue stripe above and below eye, and broad whitish band along base of dorsal fin that joins diffuse pale bar across tail base.
Maximum size to 15 cm.
Inhabits rocky reefs.
Depth: usually in about 1-200 m depth, but shallow in the Galapagos (5-45 m).
Southern California to the western and southeastern Gulf of California to southern Mexico, all the offshore islands, and Lobos de Afuera islands off Peru.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ); North Temperate (Californian Province &/or Northern Gulf of California).
Depth Range Max: 200 m.
Depth Range Min: 1 m.
Diet: Pelagic crustacea; zooplankton; pelagic fish eggs.
Eastern Pacific Range: Northern limit=33; Southern limit=-12; Western limit=-118; Eastern limit=-77; Latitudinal range=45; Longitudinal range=41.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Planktivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Corals; Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 15 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); TEP endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Near Bottom; Bottom + water column;
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Names |
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Links to other sites |
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References |
- Allen , G.R. and Robertson, D.R., 1997., An Annotated Checklist of the fishes of Clipperton Atoll, Tropical Eastern Pacific., Revista de Biologia Tropical, 45:813-843.
- Almenara Roldán, S. C., 2000., Demanda internacional en el manejo de especies marinas de ornato. En Aburto Oropeza, O. y C. A. Sánchez Ortiz (Eds.). Recursos arrecifales del Golfo de California, estrategias de manejo para las especies marinas de ornato., Universidad Autónoma de Baja California Sur:30-38.
- Edgar, G.J. Banks, S., Fariña, J.M., Calvopiña, M. and Martínez, C., 2004., Regional biogeography of shallow reef fish and macro-invertebrate communities in the Galapagos archipelago., Journal of Biogeography, 31:1107-1124.
- Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo . Derechos reservados de los autores y Conservación Internacional.
- Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen III. Vertebrados - Parte 2., FAO3:1201-1813.
- Greenfield , D.W. and Woods, L.P., 1980., Review of the deep-bodied species of Chromis (Pisces: Pomacentridae) from the eastern Pacific, with descriptions of three new species., Copeia, 1980:626-641.
- Humann, P., 1993., Reef Fish Identification: Galapagos., New World Publishing:192pp.
- Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
- McCosker , J.E. , Merlen , G. , Long , D.J. , Gilmore , R.G. and Villon, C., 1997., Deepslope fishes collected during the 1995 eruption of isla Fernandina, Galapagos., Charles Darwin Foundation, Noticias de Galápagos., 58:22-26.
- Pondella II, D.J., Gintert, B.E., Cobb, J.R., Allen, L.G., 2005., Biogeography of the nearshore rocky-reef fishes at the southern and Baja California islands., Journal of Biogeography, 32:187-201.
- Robertson , D.R. and Allen, G.A., 1996., Zoogeography of the shorefish fauna of Clipperton Atoll., Coral Reefs, 15:121-131.
- Thomson , D.A. , Findley , L.T. and Kerstitch, A.N., 2000., Reef fishes of the Sea of Cortez., University of Texas Press(Revised Ed.):353.
- Victor, B. C. and Wellington, G. M., 2000., Endemism and the pelagic larval duration of reef fishes in the eastern Pacific Ocean., Marine Ecology Progress Series, 205:241-248.
- Villareal-Cavazos, A., Reyes-Bonilla, H., Bermúdez-Almada, B. and Arizpe-Covarrubias, O., 2000., Los peces del arrecife de Cabo Pulmo, Golfo de California, México: Lista sistemática y aspectos de abundancia y biogeografía., Rev. Biol. Trop., 48:413-424.
- Wellington, G. M. and Victor, B. C., 1989., Planktonic larval duration of one hundred species of Pacific and Atlantic damselfishes (Pomacentridae)., Marine Biology, 101:557-567.
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Acknowledgements |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Chromis&speciesname=alta ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Chromis&speciesname=alta http://192.134.151.83/Summary/speciesSummary.php?genusname=Chromis&speciesname=alta ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Chromis&speciesname=alta https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Chromis&speciesname=alta ---> https://fishbase.mnhn.fr/summary/Chromis-alta.html
Chromis alta, Oval damselfish
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Teleostei (teleosts) >
Ovalentaria/misc
(Various families in series Ovalentaria) >
Pomacentridae
(Damselfishes) > Chrominae
Etymology:
Chromis:
Greek, chromis = a fish, perhaps a perch (Ref.
45335
)
.
More on authors:
Greenfield
&
Woods
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; non-migratory; depth range 30 - 150 m (Ref.
9334
). Tropical; 27°N - 1°S
Eastern Pacific: Mexico and the Galapagos Islands. One record from Cocos Island.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 13.0 cm SL male/unsexed; (Ref.
7247
)
Dorsal
spines
(total): 13;
Dorsal
soft rays
(total): 12-14;
Anal
spines
: 2;
Anal
soft rays
: 12 - 13
Adults inhabit coral and rocky reefs (Ref.
9334
). 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
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
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
).
Allen, G.R.
, 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref.
7247
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
27 May 2008
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201
): 15.3 - 21.5, mean 17.2 °C (based on 22 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00796 - 0.03971), b=2.99 (2.81 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.4 ±0.45 se; based on food items.
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
Nutrients (Ref.
124155
): Calcium = 84.9 [40.3, 129.8] mg/100g; Iron = 0.74 [0.44, 1.24] mg/100g; Protein = 18.2 [16.9, 19.4] %; Omega3 = 0.138 [0.080, 0.236] g/100g; Selenium = 31.1 [15.5, 61.7] μg/100g; VitaminA = 151 [42, 522] μg/100g; Zinc = 1.29 [0.85, 1.85] mg/100g (wet weight);
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Updated: 2024-05-23 04:08:40 gmt
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