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Hypoplectrus unicolor (Walbaum, 1792)
BUTTER HAMLET
Life   Vertebrata   Fish   Serranidae   Hypoplectrus


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Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Hypoplectrus+unicolor&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Animal ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Hypoplectrus+unicolor&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Animal

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Number of matches : 4
Query: SELECT * FROM img WHERE ready=1 and taxon like "Hypoplectrus unicolor%" and (lifeform != "specimen_tag" OR lifeform != "Animal") ORDER BY taxon

Click on the thumbnail to see an enlargement

Hypoplectrus unicolor
Hypoplectrus unicolor
Indigo Hamlet
ID: 0000 0000 0906 1199 [detail]
© 2006 Paddy Ryan

Hypoplectrus unicolor
Hypoplectrus unicolor
Barred Hamlet
ID: 0000 0000 0906 1201 [detail]
© 2006 Paddy Ryan

Hypoplectrus unicolor
Hypoplectrus unicolor
Black Hamlet
ID: 0000 0000 0906 1203 [detail]
© 2006 Paddy Ryan

Hypoplectrus unicolor
Hypoplectrus unicolor
Indigo Hamlet
ID: 0000 0000 0906 1207 [detail]
© 2006 Paddy Ryan

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Hypoplectrus&speciesname=unicolor ---> https://www.fishbase.se/Summary/speciesSummary.php?genusname=Hypoplectrus&speciesname=unicolor
https://www.fishbase.se/Summary/speciesSummary.php?genusname=Hypoplectrus&speciesname=unicolor ---> https://www.fishbase.se/summary/Hypoplectrus-unicolor.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Hypoplectrus unicolor (Walbaum , 1792)

Butter hamlet Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Hypoplectrus unicolor   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Videos |     Sounds | Google image Image of Hypoplectrus unicolor (Butter hamlet) Hypoplectrus unicolor
Picture by Patzner, R.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Serranidae (Sea basses: groupers and fairy basslets) > Serraninae
Etymology: Hypoplectrus: Greek, hypo = under + Greek, plektron = sting, spur (Ref. 45335 ) .  More on author: Walbaum .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated.   Tropical; 31°N - 8°N, 98°W - 59°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Central Atlantic: Florida (USA), Bahamas and throughout the Caribbean. Absent from the Gulf of Mexico.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 12.7 cm TL male/unsexed; (Ref. 13442 )

Short description Morphology | Morphometrics

Adults pale yellow; usually darker dorsally; grayish yellow that pales ventrally. Iridescent blue dorsal-ventral lines on head, sometimes extending to the leading edge of pelvic fins. One distinct blue line encircles the orbit and extends ventrally on each side of the fish. Two black pigment spots are sometimes found on the snout region of the nares. A large black saddle on caudal peduncle, extending below the lateral line on each side of the fish. Pelvic fins yellowish, pectorals clear.

Biology     Glossary (e.g. epibenthic)

Mainly carnivorous (Ref. 13810 ). Has been reared in captivity (Ref. 35420 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Heemstra, Phillip C. | Collaborators

Domeier, M.L. , 1994. Speciation in the serranid fish Hypoplectrus . Bull. Mar. Sci. 54(1):103-141. (Ref. 26407 )

IUCN Red List Status (Ref. 120744 )

  Least Concern (LC)  ; Date assessed: 21 August 2012

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: commercial FAO(Publication : search ) | FishSource |

More information

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | DORIS | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969 ): 25.6 - 28.2, mean 27.4 (based on 530 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01778 (0.00702 - 0.04506), b=3.03 (2.80 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.0   ±0.65 se; Based on food items. Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low vulnerability (18 of 100) .

Entered by Froese, Rainer Modified by Sampang-Reyes, Arlene G. Fish Forum
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