Freshwater Copepods

Freshwater Copepods

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Description

Freshwater Copepod
Freshwater Copepod

Juvenile copepods (nauplii or copepodites) are a major part of the diet of young fish. Free living copepods are regarded as omnivorous, feeding on phytoplankton as well as nauplii, rotifers and small cladocerans.

Our Freshwater copepods are tank grown and harvested with out fish so there is no chance of tank inhabitants getting any fish borne or transmitted viruses, bacteria or fungal infections. These copepods have been multiplying for over 12 months now and started from a small lab raised colony.

Male copepods clasp females with their first antennae during mating. Eggs are held for a short time in one or two egg sacs attached to the anterior part of the urosome. They hatch to nauplius larva. This is small, unsegmented and ovoid with three pairs of appendages; antennules, antennae and mandibles. There are six nauplii instar periodss followed by five copepodite stages before the adult form is attained. The copepodite stage is small, adult like but without the full number of biramous swimming legs. Sexes are separate with sexual dimorphism reached during the final molt from copepodite stage five to six. Copepods reach peak reproductive maturity at twenty four days with a life span of fifty days. Populations of copepods are influenced by temperature, food availability, predation and overcrowding.

Care and culturing instructions:

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Additional information

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Size

125ml, 250ml, 500ml, 1L

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