Standard length (Ls) Body depth (Bd) |
Ratio of Ls/Bd |
Hydrodynamic ability |
Sibbing and Nagelkerke 2001Sibbing F, Nagelkerke L (2001) Resource partitioning by Lake Tana barbs predicted from fish morphometrics and prey characteristics. Reviews in Fish Biology and Fisheries 10: 393-437. https://doi.org/10.1023/A:1012270422092
https://doi.org/10.1023/A:1012270422092...
|
Length (Pl) and depth (Pd) of the pectoral fin |
Ratio of Pl/Pd |
Swimming ability, maneuverability at slow speeds and locomotion efficiency |
Bellwood et al. 2002Bellwood D, Wainwright R, Fulton C, Hoey A (2002) Assembly rules and functional groups at global biogeographical scales. Functional Ecology 16: 557-562. https://doi.org/10.1046/j.1365-2435.2002.00655.x
https://doi.org/10.1046/j.1365-2435.2002...
, Dumay et al. 2004Dumay O, Tari P, Tomasini J, Mouillot D (2004) Functional groups of lagoon fish species in Languedoc Roussillon, southern France. Journal of Fish Biology 64: 970-983. https://doi.org/10.1111/j.1095-8649.2004.00365.x
https://doi.org/10.1111/j.1095-8649.2004...
|
Length (Cl) and depth (Cd) of the caudal fin |
Ratio of Cl/Cd |
Decreases as the swimming ability of the fish declines; benthic species tend to have higher ratios whereas rapid swimmers have lower ratios |
Dumay et al. 2004Dumay O, Tari P, Tomasini J, Mouillot D (2004) Functional groups of lagoon fish species in Languedoc Roussillon, southern France. Journal of Fish Biology 64: 970-983. https://doi.org/10.1111/j.1095-8649.2004.00365.x
https://doi.org/10.1111/j.1095-8649.2004...
, Mouillot et al. 2007Mouillot D, Dumay O, Tomasini J (2007) Limiting similarity, niche filtering and functional diversity in coastal lagoon fish communities. Estuarine, Coastal and Shelf Science 71: 443-456. https://doi.org/10.1016/j.ecss.2006.08.022
https://doi.org/10.1016/j.ecss.2006.08.0...
|
Total length (Lt) |
Lt maximum (Standardized by log (x+1) transformation) |
Species with longer bodies are more successful over long distance dispersers than species of smaller sizes |
Lucas and Baras 2001Lucas M, Baras E (2001) Migration of Freshwater Fishes. Oxford, Blackwell Science, 440 pp.
|
Caudal fin shape |
Cshape (forked, emarginate, rounded, truncated*, semilunar*) |
Influence the forces exerted on the water |
Lauder 2000Lauder G (2000) Function of the caudal fin during locomotion in fishes: kinematics, flow visualization, and evolutionary patterns. American Zoologist 40: 101-122. https://doi.org/10.1093/icb/40.1.101
https://doi.org/10.1093/icb/40.1.101...
|
Eye diameter (D) |
Ratio D/Lt |
Detection of food and visual acuity |
Piet 1998Piet G (1998) Ecomorphology of a size-structured tropical freshwater fish community. Environmental Biology of Fishes 51: 67-86. https://doi.org/10.1023/A:100733853
https://doi.org/10.1023/A:100733853...
, Boyle and Horn 2006Boyle K, Horn M (2006) Comparison of feeding guild structure and ecomorphology of intertidal fish assemblages from central California and central Chile. Marine Ecology Progress Series 319: 65-84. https://doi.org/10.3354/meps319065
https://doi.org/10.3354/meps319065...
|
Mouth depth (M) |
Ratio M/Lt |
Maximum size of the prey ingested |
Sibbing and Nagelkerke 2001Sibbing F, Nagelkerke L (2001) Resource partitioning by Lake Tana barbs predicted from fish morphometrics and prey characteristics. Reviews in Fish Biology and Fisheries 10: 393-437. https://doi.org/10.1023/A:1012270422092
https://doi.org/10.1023/A:1012270422092...
|
Trophic Category |
CT (invertivorous, planktophagous, piscivorous, omnivorous, benthophagous, detritivorous, insectivorous) |
Position in the food web and feeding behavior |
Gerking 1994Gerking S (1994) Feeding Ecology of Fish. San Diego, Academic Press, 416 pp.
|