Overview

Comprehensive Description

Biology

Usually encountered solitarily or in small groups containing up to 4 individuals on sheltered reefs in the vicinity of Triton Bay at depths of about 5-20 m. It was often seen on algal-covered rocky surfaces, but on one occasion was found among the branches of an unidentified gorgonian sea fan. The brood pouch is found immediately behind the anal fin and occupies the ventral surface of the first 10 tail rings (one pouch contained 34 ripe eggs with diameter ca 0.7 mm (Ref. 74959).
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Distribution

Western Pacific including southern Indonesia.
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Western Pacific: from Bali and southern Sulawesi, Indonesia westward to northern Papua New Guinea.
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Physical Description

Morphology

Dorsal soft rays (total): 2425
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Size

Max. size

6.8 cm SL (male/unsexed; (Ref. 74959)); 6.74 cm SL (female)
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Diagnostic Description

This species is distinguished by the following characters: Rings 15 + 37-38 = 52-53; D rays 24-25; subdorsal rings 5-6; pectoral fin rays 13-14; head length (HL) 8.6-8.8 in SL; snout length 2.5-2.7 in HL; body pattern generally consists of a series of 12 narrow white bars, each preceded by much broader, red bar punctuated with variable-sized white ocelli; caudal fin is red with broad, white posterior margin (Ref. 74959).
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Type Information

Paratype for Corythoichthys benedetto Allen & Erdmann
Catalog Number: USNM 214895
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, M. Gomon & Indonesians
Year Collected: 1974
Locality: Tallabassi Bay, Just Off N.E. Tip of Big Damalawa Islet, Kabaena Island, Celebes (= Sulawesi), Big Damalawa Islet, Kabaena Island, Indonesia, Suluwesi Islands, Tallabassi Bay, Pacific
Depth (m): 2 to 15
  • Paratype: Allen, G. R. & Erdmann, M. V. 23 Jan 2008. Aqua: Journal of Ichthyology and Aquatic Biology. 13 (3-4): 122, Figs. 1-4.
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Paratype for Corythoichthys benedetto Allen & Erdmann
Catalog Number: USNM 391917
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, M. Gomon & Indonesians
Year Collected: 1974
Locality: Tallabassi Bay, Just Off N.E. Tip of Big Damalawa Islet, Kabaena Island, Celebes (= Sulawesi), Big Damalawa Islet, Kabaena Island, Indonesia, Suluwesi Islands, Tallabassi Bay, Pacific
Depth (m): 2 to 15
  • Paratype: Allen, G. R. & Erdmann, M. V. 23 Jan 2008. Aqua: Journal of Ichthyology and Aquatic Biology. 13 (3-4): 122, Figs. 1-4.
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Ecology

Habitat

Environment

reef-associated; marine; depth range 5 - 15 m (Ref. 74959)
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Life History and Behavior

Life Cycle

Male carries the eggs in a brood pouch (Ref. 205).
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Conservation

Threats

Not Evaluated
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