Teleostei (teleosts) >
Tetraodontiformes (Puffers and filefishes) >
Triacanthodidae (Spikefishes) > Triacanthodinae
Etymology: Bathyphylax: Greek, bathys = deep + Greek, phylax, -akos = wardn, keeper (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range ? - 291 m (Ref. 58018). Deep-water
Indian Ocean: off Kenya (Ref. 6660). Northwest Pacific: Japan (first record) (Ref. 124779).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.4 cm SL male/unsexed; (Ref. 97685)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 6; Dorsal soft rays (total): 14; Anal soft rays: 12; Vertebrae: 20. This species is distinguished by the color pattern of the body with upper half pinkish, 3 longitudinal distinct red stripes ( first originating around nape to base of spiny dorsal fin to origin of soft dorsal fin, second from just behind postero-dorsal edge of orbit and along side of body to end of soft dorsal-fin base, and the third starting just behind posterior edge of orbit, running on mid body, curving very slightly down below thrid dorsal-fin spine and ending just above posterior part of anal-fin base with a short disconnection below anterior part of soft dorsal fin); snout shorter than rest of head, dorsal profile of the snout slightly concave or relatively straight (Ref. 124779).
Cross section: angular.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tyler, J.C., 1986. Triacanthodidae. p. 887-890. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 6660)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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