Original paper
The life history of Dikerogammarus haemobaphes (EICHW.) (Crustacea: Amphipoda) living on macrophytes in Lake Balaton (Hungary)
Muskó, Ilona B.
Archiv für Hydrobiologie Volume 127 Number 2 (1993), p. 227 - 238
27 references
published: May 17, 1993
DOI: 10.1127/archiv-hydrobiol/127/1993/227
ArtNo. ESP141012702006, Price: 29.00 €
Abstract
Dikerogammarus haemobaphes appeared and spread in Lake Balaton in the 1950s. Today this species occurs in most of the lake's habitats and plays an important role as fish food. This study describes the life history of the amphipod, which lives on a submerged macrophyte, Myriophyllum spicatum, near the Tihany peninsula. Reproduction lasts from May to the end of August. The animals hatched in May-June reproduce in the same year, while the summer-autumn generation reproduces the next year. The life span is about one year. Fecundity is highest in June. The regression of brood sizes (E) on body length in mm (L) is: E = 0.16 L2.23 (r = 0.57) The largest biomass of the amphipod was found in November, the lowest - at the end of July. In July 1986, the biomass of D. haemobaphes was estimated to 0.1 g animal dry weight/m2 (563 ind./m2) in the area covered by M. spicatum.
Keywords
Dikerogammarus haemobaphes • Myriophyllum spicatum • fecundity • Tihany peninsula • Lake Balaton • Hungary