Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Stichaeidae
(Pricklebacks) > Stichaeinae
Etymology: Ulvaria: Latin, ulva = sedge (Ref. 45335).
Environment / Climate / Range
Marine; benthopelagic. Temperate; 52°N - 41°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 7251)
Northwest Atlantic: northern Newfoundland (Strait of Belle Isle) in Canada to southern Massachusetts in USA.
Found among algae on rocky shores and on hard bottom in deeper water, or depth of 55 meters or more (Ref. 51666). Male guards multiple egg masses (Ref. 58332).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eggs are laid in several clumps or masses which are guarded by the male parent (Ref. 58332).
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. 96402)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00230 - 0.02178), b=3.06 (2.81 - 3.31), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.4 ±0.0 se; Based on diet studies.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.19-0.22; tmax=10).
Vulnerability (Ref. 59153
): Moderate vulnerability (40 of 100) .