Teleostei (teleosts) >
Pleuronectiformes (Flatfishes) >
Cynoglossidae (Tonguefishes) > Symphurinae
Etymology: Symphurus: Greek, syn, symphysis = grown together + Greek, oura = tail (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 3 - 23 m (Ref. 36120), usually 11 - 20 m (Ref. 36120). Temperate; 40°N - 15°N
Eastern Atlantic: Azores, Madeira, Canary, Cape Verde Islands and Senegal.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.0 cm SL male/unsexed; (Ref. 36120)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 0; Dorsal soft rays (total): 80 - 87; Anal spines: 0; Anal soft rays: 66 - 72; Vertebrae: 45 - 48. a 1-3-2 interdigitation pattern; 12 caudal fin rays; 80-87 dorsal fin rays; 66-72 anal fin rays; 45-48 total vertebrae; 84-98 scales in a longitudinal series; unpigmented peritoneum; unique ocular side pigmentation featuring a yellowish to dark brown background with numerous small, dark speckles, a series of 3-8 mostly incomplete crossbands beginning just posterior to the opercle, and usually 1-3 small, dark, spherical spots arranged in a longitudinal row along the body midline; a series of dark blotches alternating with unpigmented areas on the dorsal and anal fins, and a spot and dark band on the caudal fin base with the distal four-fifths of the caudal fin unpigmented.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Munroe, T.A., A. Brito and C. Hernandez, 2000. Symphurus insularis: a new Eastern Atlantic dwarf tonguefish (Cynoglossidae: Pleuronectiformes). Copeia 2000(2):491-500. (Ref. 36120)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 18.8 - 21.2, mean 19.9 °C (based on 56 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00507 - 0.02267), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±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).
