What are brine shrimp? The non-scientific short answer: brine shrimp are fish food that will drive your fish crazy. The more specific answer: brine shrimp are tiny invertebrates (arthropod …

noaasanctuaries: What are the speckles on this baby squid? Chromatophores!  Chromatophores are special pigmented cells that enable squid, octopuses, and cuttlefish to rapidly change color and texture. This color-changing …

Fish come in varieties and share some characteristics with other marine animals. For example, the green spotted puffer has an uncanny resemblance with the frog and leopard. If a …