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Pseudochromis fuscus Müller & Troschel, 1849

Brown dottyback
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Pseudochromis fuscus   AquaMaps   Data sources: GBIF OBIS
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Image of Pseudochromis fuscus (Brown dottyback)
Pseudochromis fuscus
Picture by Randall, J.E.


Japan country information

Common names: Kibire-nisesuzume
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in Ryukyus and Bonins (Ref. 37816).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Randall, J.E., G.R. Allen and R.C. Steene, 1990
National Database:

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Ovalentaria/misc (Various families in series Ovalentaria) > Pseudochromidae (Dottybacks) > Pseudochrominae
Etymology: Pseudochromis: Greek, pseudes = false + Greek, chromis = a fish, perhaps a perch (Ref. 45335);  fuscus: Name from Latin meaning dark or dusky, referring to the dark colour form of the species..
  More on authors: Müller & Troschel.

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

Marine; reef-associated; depth range 2 - 30 m (Ref. 9710), usually 3 - 25 m (Ref. 27115).   Tropical; 26°N - 24°S

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

Indo-Pacific: Sri Lanka east to Vanuatu; north to at least Hong Kong and the Ryukyu Islands; south to the central coast of Western Australia and the southern Great Barrier Reef.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL male/unsexed; (Ref. 48635)

Short description Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 25-29; Anal spines: 3; Anal soft rays: 13 - 15. Various color variations from almost blackish brown to bright yellow (Ref. 48635).

Biology     Glossary (e.g. epibenthic)

Found among corals of subtidal lagoon and seaward reefs (Ref. 9710). Also found in crevices and ledges. Usually found in association with branching corals (e.g. Acropora and Pocillopora). Sometimes enters the aquarium fish trade (Ref. 37748). Has been reared in captivity (Ref. 35413). Solitary (Ref 90102).

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

Main reference Upload your references | References | Coordinator | Collaborators

Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 10 March 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

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

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Estimates based on models

Preferred temperature (Ref. 115969): 25.3 - 29, mean 28 (based on 704 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00187 - 0.01281), b=3.11 (2.88 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (14 of 100).