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Teleostei (teleosts) > Centrarchiformes (Basses) > Terapontidae (Grunters or tigerperches)
Etymology: Syncomistes: Greek, syn, symphysis = grown together + Greek, komistes, -ou = leader, driver (Ref. 45335); carcharus: The specific epithet carcharus is Latin for sharp teeth, in reference to the robust, pointed teeth of the species, relative to other Syncomistes.

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

Freshwater; benthopelagic. Tropical

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Oceania: Prince Regent River in the Kimberley region, Australia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 17.6 cm SL male/unsexed; (Ref. 119336)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 12; Dorsal soft rays (total): 12 - 13; Anal spines: 3; Anal soft rays: 8 - 9; Vertebrae: 25. Syncomistes carcharus is distinguished from other congeners within the Syncomistes complex by a combination of the following characters: jaw rounded with a tapered point when viewed from below in adults (jaw shape of juveniles unknown); mouth terminal; mouth slightly oblique; teeth conical; longest dorsal ray > 16.7 % SL; longest dorsal spine > 13.4 % SL; pectoral fins > 22.8 % SL; upper caudal lobe > 29.9 % SL (Ref. 119336).

Inhabits streams, preferring deep back waters and slow-flowing portions. Forms shoals in the middle of the water column with Hephaestus jenkinsi Whitley, 1945. Occurs in clear waters over rocky substrates, usually where algae are in abundance. Found in highest abundance during snorkelling in Pitta Creek, 1km upstream from the confluence with the Prince Regent River (Ref. 119336).

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

Main reference Upload your references | References | Coordinator | Collaborators

Shelley, J.J, A. Delaval and M.C. Le Feuvre, 2017. A revision of the grunter genus Syncomistes (Teleostei, Terapontidae, Syncomistes) with descriptions of seven new species from the Kimberley region, northwestern Australia. Zootaxa 4367(1):1-103. (Ref. 119336)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Near Threatened (NT) (B1a); Date assessed: 02 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01288 (0.00590 - 0.02812), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (11 of 100).

Syncomistes carcharus Shelley, Delaval & Le Feuvre, 2017