Phytoplankton, especially diatoms, in the gut contents and feces of two plantivorous cyprinids—Silver carp and bighead carp

Xie Ping; Liu Jiankang

doi:10.1007/BF02850490

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Phytoplankton, especially diatoms, in the gut contents and feces of two plantivorous cyprinids—Silver carp and bighead carp

Updated：2023-05-16

- Phytoplankton, especially diatoms, in the gut contents and feces of two plantivorous cyprinids—Silver carp and bighead carp
- Journal of Oceanology and Limnology Vol. 12, Issue 4, Pages: 308-315(1994)
- Affiliations：
  
  Donghu Experimental Station of Lake Ecosystems Institute of Hydrobiology
- Author bio：
- Funds：
- DOI：10.1007/BF02850490
  CLC：
- Published：1994
- Accepted：
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Ping, X., Jiankang, L. Phytoplankton, especially diatoms, in the gut contents and feces of two plantivorous cyprinids—Silver carp and bighead carp., Chin. J. Ocean. Limnol. 12, 308–315 (1994). https://doi.org/10.1007/BF02850490
DOI：

Ping, X., Jiankang, L. Phytoplankton, especially diatoms, in the gut contents and feces of two plantivorous cyprinids—Silver carp and bighead carp., Chin. J. Ocean. Limnol. 12, 308–315 (1994). https://doi.org/10.1007/BF02850490 DOI：

摘要

Abstract

In order to clarify whether the planktivorous silver carp and bighead carp can collect phytoplankton as small asCyclotella(<20 μm) in Donghu Lake

studies on phytoplankton in their gut contents and feces were made in 1990. The fish were cultured in both net cage in Donghu Lake and aquaria with the lake water. Past the intestine

the average valve diameter ofCyclotella changed little. The average ratio of empty frustule ofCyclotella to totalCyclotella in the foregut contents of the fishes were 1.8–1.9 times higher than that in the lake water

but changed little from foregut to feces. The aquarium experiment showed that both carps could collect particles as small as 8–10 μm

which was obviously narrower than the distance between their gill rakers. Probably

secretion of mucus plays an important role in collecting such small particles.

关键词

Keywords

references

Cremer, M. C. and Smitherman, R. O., 1980. Food habits and growth of silver carp and bighead carp in cages and ponds.Aquaculture 20: 57–64.

Hampl, A., Jirasek, J. and Sirotek, D., 1983. Growth morphology of the filtering apparatus of silver carp (Hypophthalmichthys molitrix). II. Microscopic anatomy.Aquaculture 31: 153–158.

Iwata, K., 1976. Morphological and physiological studies on the phytoplankton feeder in cyprinid fishes. I. Developmental changes of feeding organs and ingestion rates in Kawachibuna (Carassius auratus cuvieri), silver carp (Hypophthalmichthys molitrix) and Nigorobuna (C. auratus grandoculis).Jap. J. Limnol. 37: 135–147. (in Japanese with English abstract)

Liu, H. L., 1981. The apparatus of filtering and feeding of silver carp and bighead carp.J. Dalian Fisheries College 1: 13–33. (In Chinese).

Smith, D. W., 1989. The feeding selectivity of silver carp,Hypophthalmichthys molitrix Val.J. Fish Biol. 34: 819–828.

Spataru, P., Wohlfarth, G. W. and Hulata, G., 1983. Studies on the natural food of different fish species in intensively manured polyculture ponds.Aquaculture 35: 283–398.

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