Glossiphoniidae Bare banks Sphaeriidae Sphaerium sp.
The most abundant genus was Helobdella Blanchard, (leeches of the
Glossiphoniidae family), which represented 43% of the abundance.
(Camallanidae); Spinoxyuris oxydoras Petter, 1994 (Pharyngodonidae); Contracaecum Railliet & Henry, 1912 (Anisakidae), Dolops longicauda Heller, 1857 (Argulidae) and
Glossiphoniidae gen.
Morphological analysis revealed six leech species (Table 1: in bold) belonging to two orders (Rhynchobdellida, Arhynchobdellida), three families (
Glossiphoniidae, Piscicolidae, and Erpobdellidae) and six genera (Helobdella, Hemiclepsis, Glossiphonia, Alboglossiphonia, Piscicola, and Erpobdella).
Species St I St II ANNELIDA Oligochaeta Tubificdae Tubifex tubifex 136.5 [+ or -] 369.36 84 [+ or -] 241.42 (Muller) (0-1350) (0-882) Branchiura sowerbyi 15.75 [+ or -] 32.06 6.75 [+ or -] 16.07 (Beddard) (0-108) (0-54) Limnodrillus 0.75 [+ or -] 2.49 0.75 [+ or -] 2.49 hoffmeisteri (0-9) (0-9) Claparede Hirudinea
Glossiphoniidae Helobdella sp.
Cell dynamics during cocoon secretion in the aquatic leech, Theromyzon tessulatum (Annelida: Clitellata:
Glossiphoniidae).
Hyalellidae Hyalella curvispina Mollusca Ancylidae Gundlachia gayana Amnicolidae Littoridina cumingi Physidae Physa chilensis Platyhelminthes Dugessidae Indeterminado Annelida
Glossiphoniidae Indeterminado Tubificidae Tubifex sp.
Palabras Clave: Hirudinea,
Glossiphoniidae, Helobdella, Catemaco, Mexico, sanguijuela.
Leeches are represented in North America by four families, two of which were found in the Grand Calumet River: Erpobdellidae, which primarily prey upon macroinvertebrates and zooplankton; and
Glossiphoniidae, which either prey upon macroinvertebrates or temporarily parasitize fish, turtles, amphibians, or water birds (Davies 1991).