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Johnius distinctus (Tanaka, 1916)
Life   Vertebrata   Fish   Sciaenidae   Johnius

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Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Sciaenidae  
 Genus Johnius  
  Johnius distinctus    (Tanaka, 1916) 
Provider: Shu-Huei Liu 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Johnius carutta Johnius tingi Pseudosciaena tingi Sciaena distincta Wak tingi Waku tingi   details
Citation: 臺灣魚類誌(沈等, 1993); 福建魚類誌(朱等, 1985); Fishbase(2003)
Character: Dorsal fin X, I, 28-31; anal fin II, 7; pectoral fin I, 16-18; ventral fin I, 5; lateral-line scales 48-49; gill-rakers 5-6 + 11-13.A medium-sized species, without protruded snout. Mouth large, terminal, slightly oblique; upper jaw protrudes slightly, maxilla ends vertical at rear edge of pupil; Teeth differentiated into large and small in both two jaws, the large forming outer series in upper jaw and inner series in lower jaw. 5 marginal pores and 5 rostral pores; 5 mental pores and the median divided. Anterior nostril round, the posterior one larger and oval. Preopercle serrated, operculum ending in two weak, flattened spines (often hidden by skin); with pseudobranch in inner side of operculum; gill rakers short and thin. Scales cycloid on head except upper part behind eye, body strongly ctenoid; soft-ray dorsal fin, anal fin and caudal fins covered by small cycloid scales. Sagitta morphology referred to as the Johnius form, sagitta moderately triangular, with prominent umbo on outer surface; inner (medial) surface convex, with a tadpole-shaped impression, which head semicircle, tail with conical pit. Top of pectoral-fin base before origin of dorsal and pelvic fins, and behind posterior margin of gill cover. Caudal fin rhomboid. Lining of body cavity black; Swim-bladder morphology referred to as the Johnius form, swimbladder hammer-shaped with a series 14 to 16 pairs of arborescent appendages, branched in a fan manner; the first branching in the head. Color: body purplish brown above and silver-gray below; with a silver-white line along lateral line; spinous part of dorsal fin white with black margin, soft-ray dorsal fin white with brown margin; pelvic and anal fins clear yellow, caudal fin yellowish brown; pectoral fins light brown, axillary fold of pectoral fin with a brown patch; operculum bluish purple. Gill chamber brown, mouth lining white. 
Distribution: Pon_Fu, North, West. 
Utility: Foodfish, marketed fresh. 
Name Code: 382470
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Johnius distinctus (Tanaka , 1916)

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Johnius distinctus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Johnius distinctus Johnius distinctus
Picture by Shao, K.T.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Sciaenidae (Drums or croakers)
  More on author: Tanaka .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic.   Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northwest Pacific: Japan, China, Taiwan.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 22.0 cm SL male/unsexed; (Ref. 559 )

Short description Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 28-31; Anal spines : 2; Anal soft rays : 7; Vertebrae : 25. Swim bladder hammer-shaped with a series of arborescent appendages along its sides. Lower jaw with a row of enlarged teeth. Jaws short. Last pleural rib on the 11th vertebra.

Biology     Glossary (e.g. epibenthic)

Found in muddy and sandy-muddy bottoms (Ref. 43239 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Sasaki, K. and K. Amaoka , 1989. Johnius distinctus (Tanaka, 1916), a senior synonym of J. tingi (Tang, 1937) (Perciformes, Sciaenidae). Jap. J. Ichthyol. 35(4):466-468. (Ref. 10085 )

IUCN Red List Status (Ref. 120744 )

    Not Evaluated  

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans


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Estimates based on models

Preferred temperature (Ref. 115969 ): 21.5 - 26.7, mean 25 (based on 72 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01202 (0.00749 - 0.01931), b=3.08 (2.95 - 3.21), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.5   ±0.5 se; Based on size and trophs of closest relatives Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low vulnerability (24 of 100) .

Entered by Binohlan, Crispina B. Modified by Valdestamon, Roxanne Rei Fish Forum
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