FishPredation: Difference between revisions
From coraldigest
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*Energy vs. Cost | *Energy vs. Cost | ||
*Search → Encounter → Strike → Capture | *Search → Encounter → Strike → Capture | ||
*Factors Affecting Search: | |||
For Predator: Hunger | For Predator: Hunger | ||
For Prey: Camouflage | For Prey: Camouflage | ||
*Factors Affecting Encounter | |||
For Predator: Swimming Speed, water clarity, illumination, schooling, | For Predator: Swimming Speed, water clarity, illumination, schooling, detection mechanisms | ||
For Prey: morphology, activity level, pigmentation, distribution | For Prey: morphology, activity level, pigmentation, distribution | ||
**Factors Affecting Strike | **Factors Affecting Strike | ||
*For Predator: alternative prey, location | |||
For Prey: body size, sensory ability | For Prey: body size, sensory ability | ||
*Factors Affecting Capture | |||
For Predator: mouth gape, strike speed, handling | For Predator: mouth gape, strike speed, handling | ||
For Prey: escape capabilities, schooling, shelter seeking behavior | For Prey: escape capabilities, schooling, shelter seeking behavior | ||
References: | |||
K.M. Bailey, JT. Duffy Anderson. 2001. Fish Predation and Mortality. Encyclopedia of Ocean Sciences (Second Edition). Pages 417-421. | |||
== Other Factors == | == Other Factors == | ||
== Importance of Predation == | == Importance of Predation == | ||
Revision as of 22:24, 24 February 2014
Fish Predation
Common Methods
- Stalking
- Chasing
- Ambush
- Habituation
- Angling
Predation Model
- Energy vs. Cost
- Search → Encounter → Strike → Capture
- Factors Affecting Search:
For Predator: Hunger For Prey: Camouflage
- Factors Affecting Encounter
For Predator: Swimming Speed, water clarity, illumination, schooling, detection mechanisms For Prey: morphology, activity level, pigmentation, distribution
- Factors Affecting Strike
- For Predator: alternative prey, location
For Prey: body size, sensory ability
- Factors Affecting Capture
For Predator: mouth gape, strike speed, handling For Prey: escape capabilities, schooling, shelter seeking behavior
References: K.M. Bailey, JT. Duffy Anderson. 2001. Fish Predation and Mortality. Encyclopedia of Ocean Sciences (Second Edition). Pages 417-421.