Information

Ecological parameter:  habitat

Parameter group: habitat related parameters

Explanation:
A fish habitat is generally described by a certain combination of (a) physical factors, such as temperature and substrate type, (b) chemical factors, such as oxygen levels and dissolved minerals as well as (c) the availability of adequate food and hiding places. Three classes are defined.

Classification system: presence/absence assignment system

Abbreviations:
Category nameAbbreviationExplanation
pelagicpelspecies living and feeding in the pelagic/free water zone
benthopelagicbenspecies living and feeding near the bottom as well as midwaters or near the water surface
demersaldemspecies living and feeding near the bottom
Assigned taxa for each higher systematic unit
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Acipenseriformes8 / 13 - 61.5%
Anguilliformes1 / 1 - 100%
Atheriniformes2 / 4 - 50%
Clupeiformes8 / 18 - 44.4%
Cypriniformes78 / 313 - 24.9%
Cyprinodontiformes9 / 12 - 75%
Esociformes3 / 3 - 100%
Gadiformes1 / 1 - 100%
Gasterosteiformes3 / 9 - 33.3%
Perciformes48 / 94 - 51%
Petromyzontiformes7 / 13 - 53.8%
Pleuronectiformes2 / 3 - 66.6%
Salmoniformes28 / 125 - 22.4%
Scorpaeniformes2 / 16 - 12.5%
Siluriformes4 / 7 - 57.1%
Syngnathiformes2 / 4 - 50%