Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Ovalentaria/misc (Various families in series Ovalentaria) >
Ambassidae (Asiatic glassfishes)
Etymology: Ambassis: Derived from Greek, anabasis = climbing up (Ref. 45335); octava: Name 'octava' from a Latin adjective meaning 'eight', in reference to the new species being the 8th species of Ambassis documented from Peninsular Malaysia.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal. Tropical
Western Central Pacific: Malaysia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.9 cm SL male/unsexed; (Ref. 137821)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 8; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 10. This species is distinguished from its congeners by the following set of characters: a single backwardly oriented supraorbital spine; absence of nasal spine; lower margin of interopercle smooth; preorbital ridge smooth; transverse scale rows on cheek 2; predorsal scales 13 or 14; scale rows between anal-fin origin and lateral line 7 or 8 (modally 8); scale rows between dorsal-fin origin and lateral line 5. Body compressed, relatively deep, its height 44.6 to 51.2% of SL; caudal peduncle robust, its height 16.7 to 18.9% of SL; second dorsal-fin spine (DH2) longer than third dorsal-fin spine (DH3) (DH2/DH3 > 1); second anal-fin spine (AH2) shorter than third anal-fin spine (AH3) (AH2/AH3 < 1). (Ref. 137821).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ghazali, S.Z., S. Lavoué, S.A. Mohd Nor and A.H. Muhammad‑Rasul, 2023. Ambassis octava, a new glass‑perchlet species (Teleostei: Ovalentaria: Ambassidae) from Peninsular Malaysia. Ichthyol. Res. 71(1):83-94. (Ref. 137821)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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