Jenis-jenis ikan kerapu yang dikenal saat ini dan memiliki nilai ekonomi adalah ikan kerapu bebek/tikus ( Cromileptes altivenis ), ikan kerapu lumpur (Epinephelus coioides), ikan kerapu kertang (Enephelus lanceolatus, ikan kerapu macan (Epinephelus foscuoguttatus), ikan kerapu totol (Plectoponus maculatus), ikan kerapu karang (Chephalopholis bunack) dan ikan kerapu sunu (Plectropomus leopardus)…
This book story about Euchema cottonii is a group of seaweeds us in the production of carrageenan. This type of seaweed is cultivated in the sea by using longline method. Euchema cottonii seaweed has a cylindrical physic form. It is cultived by using a plastic rope tied a long rope anchored to the pole which is plugged in the seabed. Cultivation areas of this type of seaweed are located in cost…