algal size
51Lake — For other uses, see Lake (disambiguation). Oeschinen Lake in the Swiss Alps A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the… …
52Pelagic fish — A school of large pelagic predator fish (giant trevally) sizing up a school of small pelagic prey fish (anchovies) Pelagic fish live near the surface or in the water column of coastal, ocean and lake waters, but not on the bottom of the sea or… …
53Academy of Natural Sciences — Infobox Museum |name = The Academy of Natural Sciences | |imagesize = 280 |latitude = 39.9570 |longitude = 75.1714 |established = 1812 |location = Philadelphia |type = Natural History Museum |director = William Yancey Brown |collection = 17+… …
54Chaetognatha — Arrow worms Temporal range: Lower Cambrian–Recent …
55Coccolithophore — Coccolithaceae The coccolithophore Gephyrocapsa oceanica Scientific classification Domain: Eukaryota …
56Dinoflagellate — Dinoflagellates Temporal range: 440–0 Ma …
57Fish farming — Intensive koi aquaculture facility in Israel Fish farming is the principal form of aquaculture, while other methods may fall under mariculture. Fish farming involves raising fish commercially in tanks or enclosures, usually for food. A facility… …
58Milky seas effect — Milky seas is a condition on the open ocean where large areas of seawater (up to 6,000 square miles) are filled with bioluminescent bacteria, causing the ocean to uniformly glow an eerie blue at night. The condition has been present in mariner s… …
59Navicula — Scientific classification Kingdom: Chromalveolata Division …
60Poecilostomatoida — Sapphirina darwinii with egg cases Scientific classification Kingdom …
