Podon

Lilljeborg, 1853

Species Guides

1

Podon is a of marine cladocerans in the Podonidae, characterized by onychopod . The genus includes at least four described : P. intermedius, P. leuckarti, P. leuckartii, and P. schmackeri. Members are euryhaline and eurythermal, inhabiting estuarine and coastal marine waters. exhibit strong seasonal dynamics, with spring and fall peaks and summer disappearance in temperate regions.

Pronunciation

How to pronounce Podon: //ˈpoʊ.dɒn//

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Habitat

Estuarine and coastal marine waters. Euryhaline and eurythermal distribution with optimal zones at 11-26°C and 8-18‰ salinity. Seasonal shifts occur: shallow tributaries in spring, central bay areas for maxima.

Distribution

Chesapeake Bay (USA); Clyde Sea-Area; Plymouth (UK); Westerschelde; Denmark; Norway; Sweden; northwestern Pacific. Distribution records indicate presence in temperate coastal waters of the North Atlantic and North Pacific.

Seasonality

Strongly seasonal in temperate regions. First appears in spring when bottom water temperatures reach approximately 6°C. maxima in spring and fall. Disappears during summer when temperatures exceed 27°C. Reappears in fall as water cools.

Life Cycle

Seasonally recurrent with parthenogenetic during favorable conditions. (production of males, sexual females, and resting ) occurs in spring and fall between thermal limits of 11-17°C. Resting egg formation documented in P. intermedius.

Similar Taxa

  • EvadneBoth are marine onychopod cladocerans with similar and strategies; distinguished by taxonomic placement in separate within Podonidae.

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