Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Triglidae
(Searobins) > Triglinae
Etymology: Chelidonichthys: Greek, chelidon, -onos = swift, as black as a swift + Greek, ichthys = fish (Ref. 45335).
Environment / Climate / Range
Marine; demersal; depth range 15 - 400 m, usually 30 - 250 m (Ref. 35388). Temperate; 60°N - 15°N, 32°W - 36°E
Length at first maturity / Size / Weight / Age
Maturity: Lm 25.0  range ? - ? cm
Max length : 50.0 cm TL male/unsexed; (Ref. 3397); common length : 27.6 cm FL male/unsexed; (Ref. 3294); common length :20.39999961853 cm FL (female); max. reported age: 21 years (Ref. 26811)
(total): 9 - 10;
soft rays: 16 - 18. Head large, without deep occipital groove. First dorsal spine serrate anteriorly, second spine not elongate. Lateral line scales plate-like expanded vertically. Breast and anterior part of belly without scales. Vertebrae 36-37 (13-14 precaudal and 22-23 caudal). Pectoral fin with last 3 rays free. Snout steep, prolonged forward by a denticulated and bilobed flattened rostrum.
Eastern Atlantic: British Isles (occasionally Norway) to Mauritania (including Madeira and Azores). Also known throughout the Mediterranean and possibly in the Black Sea.
Occasionally forms schools. Found over sand and gravel, crag, and rocks in the continental shelf (Ref. 2723). Feeds on benthic crustaceans, other invertebrates and bottom-dwelling fishes (Ref.4697).
Richards, W.J. and V.P. Saksena, 1990. Triglidae. p. 680-684. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2.
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
Fisheries: minor commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00680 - 0.01066), b=3.06 (2.99 - 3.13), based on LWR estimates for this species (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.6 se; Based on diet studies.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.3; tm=2).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (45 of 100) .