p6040360 brown hydra, hydra oligactis, with two buds, darkfield, , cecp 2024

2024 america animal aquatic beautiful british brown buds canada cecp close closeup cnidaria color colorful colour colourful columbia darkfield detail fauna forming freshwater hydra hydrazoan hydridae hydrozoa invertebrate isolated lake larva macro microscopic mosquito natural nature nematocysts north oligactis p6040360 pond predator pretty small states stinging swallowed swamp tentacles tiny two united wild