Overview

Comprehensive Description

Biology

Adults are commonly observed in areas of cool (18°-24°C) upwelling along the northern and western shores of Nusa Penida at about 25-50 m. They typically form aggregations, which feed high in the water column on zooplankton when currents are strong (Ref. 82433). 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. and M.V. Erdmann 2009 Two new species of damselfishes (Pomacentridae: Chromis) from Indonesia. Aqua, Intl. J. Ichthyol. 15(3);121-134. (Ref. 82433)
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Distribution

Eastern Indian Ocean: Nusa Penida, Bali, Indonesia.
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Western Pacific: Indonesia and southern Japanese seas; distribution probably disjunct due to association with cool temperature regimes.
  • Allen, G.R. and M.V. Erdmann 2009 Two new species of damselfishes (Pomacentridae: Chromis) from Indonesia. Aqua, Intl. J. Ichthyol. 15(3);121-134. (Ref. 82433)
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Physical Description

Morphology

Dorsal spines (total): 8; Dorsal soft rays (total): 11 - 12; Analspines: 2; Analsoft rays: 11 - 12
  • Allen, G.R. and M.V. Erdmann 2009 Two new species of damselfishes (Pomacentridae: Chromis) from Indonesia. Aqua, Intl. J. Ichthyol. 15(3);121-134. (Ref. 82433)
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Size

Max. size

13.4 cm SL (male/unsexed; (Ref. 82433))
  • Allen, G.R. and M.V. Erdmann 2009 Two new species of damselfishes (Pomacentridae: Chromis) from Indonesia. Aqua, Intl. J. Ichthyol. 15(3);121-134. (Ref. 82433)
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Diagnostic Description

This species is distinguished by the following characters: D XIII,12 (rarely 11); A II,12 (rarely 11); pectoral rays 18-20; spiniform caudal rays 3; tubed lateral-line scales 17-19; gill rakers 7-8 + 24-26, total rakers 24-26; body depth 1.8-1.9 in SL; edge of suborbital hidden by scales; 4-5 scale rows on anterior portion of preorbital; generally yellow in life, grading to brown on upper back with abruptly white caudal fin; blackish anal opening which is also evident in preserved specimens (Ref. 82433).
  • Allen, G.R. and M.V. Erdmann 2009 Two new species of damselfishes (Pomacentridae: Chromis) from Indonesia. Aqua, Intl. J. Ichthyol. 15(3);121-134. (Ref. 82433)
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Type Information

Paratype for Chromis albicauda
Catalog Number: USNM 391796
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): M. Erdmann
Year Collected: 2008
Locality: Crystal Bay, Nusa Pendida, Indonesia, Indonesia, Pacific
  • Paratype: Allen, G. R. & Erdmann, M. V. 2009. Aqua: Journal of Ichthyology and Aquatic Biology. 15 (3): 123, Figs. 1-2, 4-5.
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Ecology

Habitat

Environment

reef-associated; marine; depth range 25 - 70 m (Ref. 90102), usually ? - 30 m (Ref. 82433)
  • 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. and M.V. Erdmann 2009 Two new species of damselfishes (Pomacentridae: Chromis) from Indonesia. Aqua, Intl. J. Ichthyol. 15(3);121-134. (Ref. 82433)
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Life History and Behavior

Life Cycle

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).
  • Breder, C.M. and D.E. Rosen 1966 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205)
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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