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The sea cucumber ranges in size from 11 to 25 centimeters (4.3 to 9.8 in). [7] Its most distinct feature is its coloring, which is dictated by size: small enypniastes are a bright pink, and larger individuals are a more reddish-brown color. It is also semi-transparent, and its intestine can be seen through its body, especially after feeding. [8]
The female flower has a single stigma and is borne on a short stalk at the base of the flower panicle, with the spiky globular inferior ovary being immediately beneath. [3] The fruit is a prickly, inflated capsule up to 5 cm (2 in) long with two pores and four seeds. [2] It resembles a tiny spiny water melon, or cucumber, but is inedible. [4]
Sea apple is the common name for the colorful and somewhat round sea cucumbers of the genus Pseudocolochirus, found in Indo-Pacific waters. [2] [3] Sea apples are filter feeders with tentacles, ovate bodies, and tube-like feet. As with many other holothurians, they can release their internal organs or a toxin into the water when stressed. [3] [4]
The Philippine balatan or sea cucumber breeding/harvesting. Sea cucumbers destined for food are traditionally harvested by hand from small watercraft, a process called "trepanging" after the Indonesian Malay word for sea cucumber teripang. [3] They are dried for preservation, and must be rehydrated by boiling and soaking in water for several days.
The Philippine "Balatan" or Sea cucumber breeding/harvesting. Sea cucumbers to be used as broodstock are either collected from the wild or are taken from commercial harvests. [2] [3] Only the largest and healthiest individuals are used for broodstock, as the success of a hatchery relies on the healthy condition of brood individuals. [2]
Among the ecological roles of adults are the grazing of sea urchins, the sediment processing of heart urchins, and the suspension and deposit feeding of crinoids and sea cucumbers. [ 11 ] [ 100 ] Some sea urchins can bore into solid rock, destabilising rock faces and releasing nutrients into the ocean.
Thelenota ananas, also known as pineapple sea cucumber, oloturia ananas, tripang, prickly skin cucumber, pointed teat sea cucumber, armoured sea cucumber, giant sea cucumber, sand fish or prickly redfish, is a species of sea cucumber [1] [2] found in tropical Indo-Pacific waters from the Red Sea and East Africa to Hawaii and Polynesia.
Live fish food include earthworms, sludge worms, water fleas, bloodworms, and feeder fish. Food for larvae and young fish include infusoria (Protozoa and other microorganisms), newly hatched brine shrimp and microworms. These are the most preferred type of food for fish, but are difficult to get and can be quite expensive.