Information

Ecological parameter:  rheophily (habitat)

Parameter group: habitat preference parameters

Explanation:
The degree of rheophily (thriving in or having an affinity for running water) is classified.

Classification system: presence/absence assignment system

Abbreviations:
Category nameAbbreviationExplanation
rheophilicrhefish prefer to live in a habitat with high flow conditions and clear water.
limnophiliclimfish prefer to live, feed and reproduce in a habitat with slow flowing to stagnant conditions.
eurytopiceur fish that exhibit a wide tolerance of flow conditions, although are generally not considered to be rheophilic.
Assigned taxa for each higher systematic unit
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Acipenseriformes8 / 13 - 61.5%
Anguilliformes1 / 1 - 100%
Atheriniformes1 / 4 - 25%
Clupeiformes7 / 18 - 38.8%
Cypriniformes76 / 312 - 24.3%
Cyprinodontiformes8 / 12 - 66.6%
Esociformes3 / 3 - 100%
Gadiformes1 / 1 - 100%
Gasterosteiformes3 / 9 - 33.3%
Perciformes46 / 94 - 48.9%
Petromyzontiformes6 / 13 - 46.1%
Pleuronectiformes2 / 3 - 66.6%
Salmoniformes27 / 125 - 21.6%
Scorpaeniformes2 / 16 - 12.5%
Siluriformes4 / 7 - 57.1%
Syngnathiformes2 / 4 - 50%