Common names from other countries
Teleostei (teleosts) >
Perciformes/Scorpaenoidei (Scorpionfishes) >
Triglidae (Searobins) > Prionotinae
Etymology: Prionotus: Greek, prion, -onos = saw + Greek, noton = back (Ref. 45335); evolans: In Cuvier & Valenciennes. Author from Eschmeyer (Ref. 56787).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; brackish; reef-associated; depth range 9 - 180 m (Ref. 93252), usually 20 - 70 m (Ref. 27549). Temperate; 46°N - 26°N, 82°W - 63°W
Western Atlantic: Nova Scotia in Canada to northern Florida in the USA; rare north of Cape Cod in Massachusetts, USA.
Length at first maturity / Size / Weight / Age
Maturity: Lm 22.1  range ? - ? cm
Max length : 45.0 cm TL male/unsexed; (Ref. 7251); common length : 30.0 cm TL male/unsexed; (Ref. 3822); max. published weight: 1.6 kg (Ref. 4699); max. reported age: 7 years (Ref. 55523)
Occurs mainly on sand bottom from inshore estuaries to about 180 m depth. Found occasionally over reefs. Feeds mainly on crustaceans and fishes. Used both for food and fish meal; other uses include for bait, pet food and fertilizer.
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial; gamefish: yes; bait: occasionally
More information
ReferencesAquacultureAquaculture profileStrainsGeneticsElectrophoresesHeritabilityDiseasesProcessingMass conversion
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Estimates based on models
Preferred temperature (Ref.
115969): 8.4 - 24.6, mean 12.7 (based on 126 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00475 - 0.01270), b=2.95 (2.81 - 3.09), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.3 ±0.0 se; based on diet studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.29).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).