Overview

Comprehensive Description

Biology

Sighted in a habitat characterised by a steep slope beginning in relatively deep water; about 10 individuals, including the holotype, were observed at 40 m, on a flat to gently sloping rubble bottom along the upper edge of a vertical drop-off (Ref. 75880).
  • Allen, G.R. 2006 Cirrhilabrus brunneus, a new wrasse (Pisces: Labridae) from north-eastern Kalimantan, Indonesia. Aqua J. Ichthyol. Aquat. Biol. 11(1):1-4. (Ref. 75880)
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Distribution

Range Description

This species is found in Indonesia (Kalimantan and the Mentawai Islands), and is only known from a few specimens.
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Indonesia and the Philippines.
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Western Pacific: Indonesia.
  • Allen, G.R. 2006 Cirrhilabrus brunneus, a new wrasse (Pisces: Labridae) from north-eastern Kalimantan, Indonesia. Aqua J. Ichthyol. Aquat. Biol. 11(1):1-4. (Ref. 75880)
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Physical Description

Morphology

Dorsal spines (total): 11; Dorsal soft rays (total): 9; Analspines: 3; Analsoft rays: 9
  • Allen, G.R. 2006 Cirrhilabrus brunneus, a new wrasse (Pisces: Labridae) from north-eastern Kalimantan, Indonesia. Aqua J. Ichthyol. Aquat. Biol. 11(1):1-4. (Ref. 75880)
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Size

Max. size

4.4 cm SL (male/unsexed; (Ref. 75880))
  • Allen, G.R. 2006 Cirrhilabrus brunneus, a new wrasse (Pisces: Labridae) from north-eastern Kalimantan, Indonesia. Aqua J. Ichthyol. Aquat. Biol. 11(1):1-4. (Ref. 75880)
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Diagnostic Description

This species is characterized by the following features: D XI, 9; A III, 9; pectoral rays 15; lateral line scales 17 + 6; median predorsal scales 5; horizontal scale rows on cheek below eye 2; gill rakers 13; body depth 3.1 in SL; head length 2.9 in SL; snout length 3.9 in head; males with lunate caudal fin with produced lobes; pelvic fins relatively short, not reaching anal fin origin when depressed; color when alive, males with a dusky brown overall coloration, bronze hue on breast and belly, dark brown median and pelvic fins with broad white posterior margins on dorsal and caudal fins, dorsal and ventral edges of caudal fin with prominent brown margins that taper to a point posteriorly (Ref. 75880).
  • Allen, G.R. 2006 Cirrhilabrus brunneus, a new wrasse (Pisces: Labridae) from north-eastern Kalimantan, Indonesia. Aqua J. Ichthyol. Aquat. Biol. 11(1):1-4. (Ref. 75880)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is not well-known. It likely inhabits rubble flats above steep dropoffs (R. Myers pers. comm. 2008), in water deeper than 40 m.

Systems
  • Marine
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Environment

reef-associated; marine; depth range 30 - 60 m (Ref. 90102), usually ? - 40 m (Ref. 75880)
  • Allen, G.R. and M.V. Erdmann 2012 Reef fishes of the East Indies. Perth, Australia: Universitiy of Hawai'i Press, Volumes I-III. Tropical Reef Research. (Ref. 90102)
  • Allen, G.R. 2006 Cirrhilabrus brunneus, a new wrasse (Pisces: Labridae) from north-eastern Kalimantan, Indonesia. Aqua J. Ichthyol. Aquat. Biol. 11(1):1-4. (Ref. 75880)
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Rocha, L.

Reviewer/s
Craig, M.T. & Carpenter, K.E.

Contributor/s

Justification
This species is only known from the holotype from Kalimantan, Indonesia, however additional specimens may exist in the aquarium trade. More research is needed on this species distribution, depth range, habitat and ecology, and potential collection for the aquarium trade. It is listed as Data Deficient.
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Population

Population
Currently, population size or trends have not been assessed. This is a recently described species. This species is not present in FAO global production estimates.

Population Trend
Unknown
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Threats

Major Threats
There are no known major threats to this species, although it has been reportedly collected for the aquarium trade in Sulawesi and Cebu, Philippines (L. Rocha pers. comm. 2008).
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Data deficient (DD)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
There are no known conservation measures for this species. More research is needed on this species distribution, depth range, habitat and ecology, and potential collection for the aquarium trade.
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