KEEL-JAWED NEEDLE FISH

Tylosurus acus subsp. melanotus

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IUCN Red List Status: NOT EVALUATED

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Tylosurus acus melanotus (Bleeker, 1850)

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Animals +
- Chordates +
  - Ray-finned fishes +
    - Halfbeeks +
      - Needlefishes +
        
        Tylosurus +
        
        Keeljawed longtom +
        
        Keel-jawed needle fish
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Description

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Morphology: Dorsal spines (total): 0 - 0; Dorsal soft rays (total): 24 - 27; Anal spines: 0 - 0; Anal soft rays: 22 - 24; Vertebrae: 90 - 95. Anterior part of dorsal fin with a low lobe, contained 10.5-13.3 times in body length; a distinct black lateral keel on caudal peduncle; caudal fin deeply forked. Juveniles have an elevated black lobe in the posterior part of the dorsal fin (Ref. 9682). Longer jaws with more numerous teeth and narrower caudal lobes than T. crocodilus (Ref. 37816).

Max size: 100 cm TL (male/unsexed; Ref. 9137)

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