Carcinus maenas Scorecard

Species:  Carcinus maenas

Common Name:  Green crab

Scorecard created on
Last Updated on

Results

Impact Total:10 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:14 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:

Impact

SpreadNotesScore
Spread RateBroad feeding habit and tolerance to environmental conditions.3
Spread AmountCoast of central and Northern California, Spread to Southern California not documented yet.3
DamageNotesScore
EcologicalOutcompetes native species2
AgriculturalImpacts shellfish beds1
Infrastructure1
Cultural0
Health0
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
Cultural0
Health0
Total10

Ability to Respond

Ease of ResponseNotesScore
DetectionEasy to detect adult based on photo and description.5
ControlOnly means of control appears to be by trapping adults.3
Tools in PlaceNotesScore
EntryBallast regulations also serve as control for this species.3
ControlBallast regulations also serve as control for this species.2
OutreachSportfishing clubs, aquatic hitch hikers1
Total14

References

No references yet.