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Pseudochromis melanurus Gill, 2004

Blacktail dottyback
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Pseudochromis melanurus   AquaMaps   Data sources: GBIF OBIS
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Image of Pseudochromis melanurus (Blacktail dottyback)
Pseudochromis melanurus
Picture by Winterbottom, R.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Pseudochromidae (Dottybacks) > Pseudochrominae
Etymology: Pseudochromis: Greek, pseudes = false + Greek, chromis = a fish, perhaps a perch (Ref. 45335);  melanurus: Name from Greek melas for black and oura for tail, referring to the distinct male coloration.  More on author: Gill.

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

Marine; reef-associated; depth range 0 - 10 m (Ref. 81967).   Tropical

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

Western Pacific: Fiji and Tonga.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL male/unsexed; (Ref. 81967)

Short description Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 21-22; Anal spines: 3; Anal soft rays: 12 - 14; Vertebrae: 26 - 27. This species distinguished by the following characters: 21-22 (rarely 21) segmented dorsal-fin rays; 12-14 (rarely 12 or 14) segmented anal fin rays; weakly pungent to flexible anal spines, the second one varying from about as stout to less stout than the third; 29-35 (usually 30-33) scales in lateral series; 23-28 (usually 24-27) anterior lateral line scales; 10-12 scales below anterior lateral line; males with distinct coloration, head and body dark grey to black (dark brown to black when preserved), the lower part of head and body in front to anal-fin origin yellowish brown (when preserved pale brown to brown) (Ref. 81967).

Biology     Glossary (e.g. epibenthic)

Known from tidal pools and rock and coral reefs, common in high surge areas (Ref. 81967).

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

Main reference Upload your references | References | Coordinator | Collaborators

Gill, A.C., 2004. Revision of the Indo-Pacific dottyback fish subfamily Pseudochrominae (Perciformes: Pseudochromidae). Smith. Monogr. (1):1-213. (Ref. 81967)

IUCN Red List Status (Ref. 119314)

  Least Concern (LC) ; Date assessed: 09 March 2015

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO(Publication : search) | FishSource |

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Internet sources

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

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 25.9 - 27.8, mean 26.7 (based on 162 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00241 - 0.01439), b=3.10 (2.88 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .