Freshwater Snail

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Freshwater snails are Gastropods that live in freshwater habitats from small ephemeral pools to large bodies of water, including lakes, ponds, rivers and streams. They disperse across different habitats and…

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Freshwater Shrimp

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Freshwater shrimp are crustaceans with long abdomens and antennae in relation to overall body size. Attached to the abdomen are forked appendages called pleopods which are used for swimming. When…

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Blackfly Larvae

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Blackflies are small dark coloured flies with short legs and antenna. They feed on the blood of mammals, including humans, though the males mainly feed on nectar. The rate of…

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Cased Caddisfly Larvae

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Caddisflies are the order of insects known as Trichoptera which have aquatic larvae and terrestrial adults. There are many species of Caddisfly with 200 species commonly found across the UK.…

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Stonefly Nymph

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Stonefly larvae live in benthic zones (substrate level) of well-oxygenated streams and lakes. They have flattened bodies and segmented abdomens with 6 legs and 2 long cerci at the end…

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Swimming Mayfly Nymph

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Commonly known as the Large Dark Olive mayfly, this species is part of the mayfly family that are characterised by the adults having two cerci (tails), small oval hindwings and…

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Flattened Mayfly Nymph

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Commonly known as Yellow May, this species are known as stone-clingers in their nymph form with 6 elbowed legs and distinct patterning of light and dark patches on the legs.…

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Burrowing Mayfly Nymph

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Commonly known as the Green Drake mayfly, this species of mayfly is one of the biggest and well known species. The adults have three tails and large hindwings. The aquatic…

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Flatworm

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Scientifically known as Platyhelminths, flatworms are soft bodied, unsegmented invertebrates that are usually flattened in form. The flattened body is to allow efficient absorption of oxygen and nutrients as they…

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Leech

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Leeches have soft, muscular segmented bodies that lengthen and contract to allow movement. They live in ditches, ponds and most other freshwater habitats. They are hermaphrodites, like all other leeches,…

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