Overview

Comprehensive Description

Biology

This solitary species inhabits the outer edge of the reef (Ref. 583). Usually beneath ledges or near entrance to caves (Ref. 42181). Benthic (Ref. 58302). A prized food fish with population greatly reduced in main Hawaiian islands due to fishing pressure, especially by spear fishermen. Stomach contents include small fishes (holocentrid, acanthurid and Aulostomus chinensis) (Ref. 42181).
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Distribution

Eastern Central Pacific: Hawaii.
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Hawaiian Islands.
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Physical Description

Morphology

Dorsal spines (total): 12; Dorsal soft rays (total): 9; Analspines: 3; Analsoft rays: 5
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Size

Maximum size: 510 mm ---
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Max. size

51.0 cm TL (male/unsexed; (Ref. 4887)); max. published weight: 3,450 g (Ref. 42181)
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Diagnostic Description

Vertical scale rows 50-55; lachrymal bone with 2 spines over maxillary, first points down and forward, second points down and back, sometimes second split distally into 2 points; suborbital ridge usually with 5 spines, sometimes some spines split in larger specimens (Ref. 10482).
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Type Information

Type for Scorpaenopsis cacopsis
Catalog Number: USNM 49690
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Collector(s): T. Wood
Locality: Hawaiian Islands, Hawaii, United States, Pacific
  • Type:
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Ecology

Habitat

Environment

reef-associated; marine; depth range 4 - 60 m (Ref. 42181)
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Depth: 0 - 6m.
Recorded at 6 meters.

Habitat: reef-associated. This solitary species inhabits the outer edge of the reef. Feeds on small fish and invertebrates.
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Trophic Strategy

Feeds on fishes (Ref. 2763).
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
  • Miyasaka, A. 1993 A database on scientific and common names of fishes exported from Hawaii. The information was derived from the above mentioned database. A printout of the names is also available from the State of Hawaii, Department of Land and Natural Resources, 1151 Punchbowl Street, Honolulu, Hawaii. (Ref. 5358)   http://www.fishbase.org/references/FBRefSummary.php?id=5358&speccode=4306 External link.
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