BIOTIC Species Information for Trisopterus minutus
Researched byMorvan Barnes Data supplied byMarLIN
Refereed byThis information is not refereed
Taxonomy
Scientific nameTrisopterus minutus Common namePoor Cod
MCS CodeZG144 Recent Synonyms

PhylumChordata SubphylumVertebrata
SuperclassGnathostomata ClassOsteichthyes
SubclassTeleostei OrderGadiformes
Suborder FamilyGadidae
GenusTrisopterus Speciesminutus
Subspecies   

Additional Information
Taxonomy References Gibson et al., 2001, Muus & Nielson, 1999, Howson & Picton, 1997, Hayward & Ryland, 1995b, Whitehead et al., 1986,
General Biology
Growth formPisciform
Feeding methodPredator
Scavenger
Mobility/MovementSwimmer
Environmental positionDemersal
Typical food typesCrustaceans as well as small fish and polychaetes. HabitFree living
BioturbatorNot relevant FlexibilityLow (10-45 degrees)
FragilityIntermediate SizeMedium-large(21-50cm)
HeightNot researched Growth Rate1-1.5 cm / month
Adult dispersal potential>10km DependencyIndependent
SociabilityGregarious
Toxic/Poisonous?No
General Biology Additional Information
Biology References Metin et al., 2008, Hayward & Ryland, 1995b, Whitehead et al., 1986, Wheeler, 1969, Cohen et al., 1990,
Distribution and Habitat
Distribution in Britain & IrelandFound off all British and Irish coasts although less common off north-east Britain.
Global distributionFound in western Europe from Sweden and Scotland to south-east Spain and Greece.
Biogeographic rangeTemperate to warm temperate. Depth rangeFrom 15 m to 200 m depth.
MigratorySeasonal (reproduction)   
Distribution Additional Information

Substratum preferencesBedrock
Sandy mud
Muddy sand
Physiographic preferencesOpen coast
Offshore seabed
Biological zoneUpper Infralittoral
Lower Infralittoral
Upper Circalittoral
Lower Circalittoral
Circalittoral Offshore
Bathybenthic (Bathyal)
Wave exposure
Tidal stream strength/Water flow SalinityFull (30-40 psu)
Habitat Preferences Additional Information
Distribution References Hayward & Ryland, 1995b, Whitehead et al., 1986, Wheeler, 1969, Cohen et al., 1990,
Reproduction/Life History
Reproductive typeGonochoristic
Developmental mechanismOviparous
Reproductive SeasonJanuary to April Reproductive LocationWater column
Reproductive frequencyAnnual episodic Regeneration potential No
Life span3-5 years Age at reproductive maturity1 year
Generation timeNot researched Fecundity1,000 to 20,000
Egg/propagule size0.9-1 mm Fertilization typeExternal
Larvae/Juveniles
Larval/Juvenile dispersal potentialInsufficient information Larval settlement periodNot relevant
Duration of larval stageNot relevant   
Reproduction Preferences Additional Information
Reproduction References Metin et al., 2008, Munk & Nielsen, 2005, Cohen et al., 1990,
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