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Teleostei (teleosts) > Pleuronectiformes (Flatfishes) > Cynoglossidae (Tonguefishes) > Symphurinae
Etymology: Symphurus: Greek, syn, symphysis = grown together + Greek, oura = tail (Ref. 45335).
More on author: Alcock.

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

Marine; bathydemersal; depth range 220 - 737 m (Ref. 26267). Deep-water

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Indian Ocean: Gulf of Oman, Bay of Bengal off Madras Coast, off west coast of India, Gulf of Manaár, and off Ceylon (Sri Lanka).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 11.6 cm SL male/unsexed; (Ref. 26267)

Mature female specimens with elongate ovaries at sizes 9.26 and 9.35 cm SL were examined. Nothing is known of its life history (Ref. 26267).

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

Main reference Upload your references | References | Coordinator | Collaborators

Munroe, T.A. and B.N. Marsh, 1997. Taxonomic status of three nominal species of Indo-Pacific symphurine tonguefishes (Symphurus: Cynoglossidae: Pleuronectiformes). Ichthyol. Res. 44(2):189-200. (Ref. 26267)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Data deficient (DD) ; Date assessed: 23 October 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

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Estimates based on models

Preferred temperature (Ref. 123201): 1.5 - 2.3, mean 2 °C (based on 18 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.4 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.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Symphurus trifasciatus (Alcock, 1894)