Overview

Comprehensive Description

Biology

This species is apparently a Batesian mimic of the saber-toothed blenny Meiacanthus grammistes. Observed to swim in open water in a similar fashion as this blenny by using its tail to swim rather than the pectoral fins; but if approached, it quickly swims to the cover of reefs (Ref. 48635). Sexually mature between 6 to 6.5 cm.
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Distribution

Western Pacific: known only from the Philippines and the Molucca Islands.
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Western Pacific.
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Physical Description

Morphology

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Analspines: 2; Analsoft rays: 8
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Size

Maximum size: 64 mm SL
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Max. size

10.0 cm TL (male/unsexed; (Ref. 48635))
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Diagnostic Description

Body with 4 black stripes; uppermost extending from nape along dorsal-fin base to caudal-fin base; stripes broken to dots posteriorly on caudal peduncle and caudal-fin base; the head between stripes yellowish; fins pale. Developed gill rakers on hypobranchial 1-2; on ceratobranchial 8. Preopercular edge usually smooth, sometimes with several weak serrae at angle (Ref. 8525). Mimics Malacanthus species; only close examination reveals the different mouth shape and the apogonid has two separate dorsal fins, whilst the blenny has a long continuous single fin (Ref. 48635).
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Type Information

Type for Cheilodipterus nigrotaeniatus
Catalog Number: USNM 70252
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Radiograph
Year Collected: 1909
Locality: Sacol Island, Northeast, East of Zamboanga, Sacol Island, Mindanao Group, Philippines, Philippine Archipelago, Pacific
Depth (m): 4 to 5
Vessel: Albatross
  • Type:
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Ecology

Habitat

Environment

reef-associated; marine
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Life History and Behavior

Life Cycle

Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
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Conservation

Threats

Not Evaluated
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