Family : Monacanthidae (Filefishes)
Order : Tetraodontiformes  (puffers and filefishes)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Hairfinned leatherjacket
Fish Name : Paramonacanthus japonicus
Max size : 12.0 cm SL (male/unsexed; Ref. 48637)
Environment : reef-associated; oceanodromous ; depth range 34 - 46 m
Climate : tropical; 32°N - 24°S
Global Importance :
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 3,300)Distribution : Indo-West Pacific: southern Japan and northwest Australia to Papua New Guinea.
Diagnosis : Dorsal spines (total): 2-2; Dorsal soft rays (total): 24-30; Anal spines: 0-0; Anal soft rays: 24-30; Vertebrae: 19-19. body width 2.0-2.6 in head length; body depth 2.0-3.1 in SL, head length 2.7-3.2 in SL; snout length 3.7-4.1 in SL; eye diameter 2.7-3.7 in head length; second dorsalmost caudal ray elongate and filamentous in male (Ref. 33065).
Biology : Inhabits weedy and sandy areas of coastal reefs (Ref. 9710). Found on open muddy substrates from shallow estuaries to deep offshore. Males elongate with age (Ref. 48637). Monogamous (Ref. 52884)
Threatened : Dangerous:  
Dangerous : harmless
Coordinator : Hutchins, Barry
Main Ref : Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino. 1984. (Ref. 559)

India country information
Common Names : [ No common name ]
Status : native
Salinity : marine
Uses : no uses