231 resultados para 060800 ZOOLOGY
Resumo:
Contributions cover notes on the distribution of Zeugopterus norvegicus, a stage in the metamorphosis of Solea, a larval stage of the mackerel, and on growth of young herring in the Thames Estuary.
Resumo:
This covers the relation of size to sexual maturity in Pleuronectids, the destruction of immature fish in the North Sea and proposed remedial measures.
Resumo:
Notes and observations on: Polyprion cerniu, Val. Scomber scomber Linn (the mackerel). Year-old pilchards. Muggiaea atlantica. Hippoglossus vulgaris, Linn. (the halibut). Rhombus maximus, Linn (the turbot).
Resumo:
The habits of the cuckoo or boar-fish. The breeding of the conger. The spawn of the pilchard. Reproductive organs of the common sole.