Starfish by the starfish in an escape response. The loss of parts of the body is achieved by the rapid softening of a special type of connective tissue in response to nervous signals. This type of tissue is called catch connective tissue and is found in most echinoderms. An autotomy-promoting factor has been identified which, when injected into another starfish, causes rapid shedding of arms. The lifespan of a starfish varies considerably between species, generally being longer in larger forms and in those with planktonic larvae. For example, "Leptasterias hexactis" broods a small number of large-yolked eggs. It has an adult
Animal Welfare Act 2006 nutrition and veterinary care. It outlaws tail docking of dogs for cosmetic reasons, with an exemption for "working" dogs, such as those used by the police, the armed forces or as service dogs. The corresponding Act for Scotland is the Animal Health and Welfare (Scotland) Act 2006. The Act is divided into several topics. Section 1 defines an "animal" as a vertebrate (other than a human) from the sub-phylum vertebrata of the phylum chordata. A "protected" animal is defined in s2 as one that is either commonly domesticated or one that is, at the time being, under the control of