Edible seaweed Edible seaweed Edible seaweed, or sea vegetables, are algae that can be eaten and used in the preparation of food. They typically contain high amounts of fiber. They may belong to one of several groups of multicellular algae: the red algae, green algae, and brown algae. Seaweeds are also harvested or cultivated for the extraction of polysaccharides such as alginate, agar and carrageenan, gelatinous substances collectively known as hydrocolloids or phycocolloids. Hydrocolloids have attained commercial significance, especially in food production as food additives. The food industry exploits the gelling, water-retention, emulsifying and other physical properties of these hydrocolloids. Most edible
Edible bullfrog "Milvus aegyptius", marabou stork "Leptoptilos crumeniferus", saddle-billed stork "Ephippiorhynchus senegalensis", intermediate egret "Mesophoyx intermedia", grey heron "Ardea cinerea" and black-headed heron "Ardea melanocephala". Some edible bullfrogs were seen to lunge at water birds that got too close, possibly these were males aggressively defending their territories. After spawning the males guard the tadpoles and may dig channels for them if their natal pool is drying out too quickly. Edible bullfrogs are locally, widely used for human consumption, although not a subsistence level. It is occasionally found in the international pet trade. A major threat to the populations of edible bullfrogs in