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Allometric Growth in Four Species of Digenetic Trematodes of Marine Fishes from Belize
Author(s) -
FISCHTHAL JACOB H.
Publication year - 1978
Publication title -
zoologica scripta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.204
H-Index - 64
eISSN - 1463-6409
pISSN - 0300-3256
DOI - 10.1111/j.1463-6409.1978.tb00584.x
Subject(s) - allometry , biology , ecology , zoology
Four species of digenetic trematodes of marine fishes from Belize are studied for allometric growth: Multitestis rotundus Sparks, 1954 (Lepocreadiidae), Stenopera equilata Manter, 1933 (Opecoelidae), Leurodera decora Linton, 1910 (Hemiuridae), Prosorhynchus pacificus Manter, 1940 (Bucephalidae). These are compared with six other species for which allometric growth is known. Positive growth is exhibited in all species only by the hindbody, whereas the forebody, suckers, and pharynx are negative in all. The body width, post‐testicular body, and gonads are positive in some species and negative in others. At times the body proportion or organ is growing at about the same rate as the body length.