![Diatoms](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diatoms
Diatom group showing diverse shapes and colours of these organisms
![Daphnia with bladderwort](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Daphnia with bladderwort
Daphnia about to be eaten by the bladder of the carnivorous bladderwort Utricularia species
![Crustaces family members](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Crustaces family members
Pen and ink illustration showing the diversity of members in the Crustacea family
![Horseshow crab Limulus polyphemus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Horseshow crab Limulus polyphemus
Horseshoe crab Limulus polyphemus wayercolour showing dorsal view of top of shell, cut to white
![Fresh water shrimp Gammarus pulex](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Fresh water shrimp Gammarus pulex
Fresh water shrimp Gammarus pulex on a sandy background showing its laterally compressed sides
![Edible crab Cancer pagurus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Edible crab Cancer pagurus
Edible crab Cancer pagurus pen and ink illustration with rich watercolour top wash, cut to white, stippled, view from above
![American lobster Homarus americanus pair](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
American lobster Homarus americanus pair
American lobster Homarus americanus pair with male with large claw and long red antennae in the foregrouf, female behind, colouration as when alive
![Sea turtle threats and predators.jpg](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Sea turtle threats and predators.jpg
Threats to sea turtles on beaches and at sea diagram
![Sea otter Enhydra lutris](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Sea otter Enhydra lutris
Sea otter Enhydra lutris floating in the sea on its back, holding a clam and favoured stone, and peering at the viewer
![Harbour porpoise Phocoena phocoena](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Harbour porpoise Phocoena phocoena
Quick watercolour sketch of the Harbour porpoise Phocoena phocoena cut to whtie
![Grey seal Halichoerus grypus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Grey seal Halichoerus grypus
Grey seal Halichoerus grypus in profile cut to white
![Common seal Phoca vitulina](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Common seal Phoca vitulina
Common or Harbour seal Phoca vitulina lying down with head raised inquisitively
![Baikal seal Pusa sibirica](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Baikal seal Pusa sibirica
Baikal seal Pusa sibirica cut to white showing mottled skin
![Striped bass Morone saxatilis](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Striped bass Morone saxatilis
Striped bass Morone saxatilis
![Sandbar shark Carcharhinus plumbeus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Sandbar shark Carcharhinus plumbeus
Sandbar shark Carcharhinus plumbeus
![Sandtiger shark Carcharias Taurus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Sandtiger shark Carcharias Taurus
Sandtiger shark Carcharias Taurus
![Seahorse family diagram](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Seahorse family diagram
Seahorse family diagram showing pipefish, leafy seadragon, and other syngnathidae
![Stone fish Synanceia verrucosa](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Stone fish Synanceia verrucosa
Stone fish Synanceia verrucosa camoflauged with its background
![Zebra shark Stegostoma fasciatum](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Zebra shark Stegostoma fasciatum
Zebra shark Stegostoma fasciatum
![Fishing net pinger deterring dolphins (but not fish)](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Fishing net pinger deterring dolphins (but not fish)
Fishing net pingers shown on nets in the sea deterring dolphins (but not fish)
![Atlantic stingray Dasyatis sabina](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Atlantic stingray Dasyatis sabina
Atlantic stingray Dasyatis sabina view from above and from below
![Comparison of the teeth of different shark species](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Comparison of the teeth of different shark species
Comparison of the teeth of different shark species including megalodon, great white, sandtiger, brown, cow, nurse, zebra, and sharpnose shark
![Diagram of different fish shapes](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of different fish shapes
Diagram of different simplified fish shapes
![Diagram of fishing methods](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of fishing methods
Diagram of fishing methods