Ammonia output by eggs and larvae of the lumpsucker, Cyclopterus lumpus , the cod, Gadus morhua and the plaice, Pleuronectes platessa
Cod and plaice eggs show a gradually increasing rate of ammonia excretion during development and in neither species was there a great change in individual output at hatching. The rates of ammonia excretion recorded for cod and plaice larvae were similar to those recorded for planktonic Crustacea of...
Published in: | Journal of the Marine Biological Association of the United Kingdom |
---|---|
Main Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Cambridge University Press (CUP)
1983
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1017/s0025315400071010 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315400071010 |
id |
crcambridgeupr:10.1017/s0025315400071010 |
---|---|
record_format |
openpolar |
spelling |
crcambridgeupr:10.1017/s0025315400071010 2024-03-03T08:44:31+00:00 Ammonia output by eggs and larvae of the lumpsucker, Cyclopterus lumpus , the cod, Gadus morhua and the plaice, Pleuronectes platessa Davenport, John Lønning, Sunniva Kjørsvik, Elin 1983 http://dx.doi.org/10.1017/s0025315400071010 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315400071010 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Journal of the Marine Biological Association of the United Kingdom volume 63, issue 3, page 713-723 ISSN 0025-3154 1469-7769 Aquatic Science journal-article 1983 crcambridgeupr https://doi.org/10.1017/s0025315400071010 2024-02-08T08:35:57Z Cod and plaice eggs show a gradually increasing rate of ammonia excretion during development and in neither species was there a great change in individual output at hatching. The rates of ammonia excretion recorded for cod and plaice larvae were similar to those recorded for planktonic Crustacea of comparable size by Conover & Corner (1968). Lumpsucker eggs and larvae have a basically low rate of ammonia excretion (consistent with their slow rate of development and low oxygen consumption), but much ammonia was released from the eggs in the first day or two after spawning. This ammonia was of non-metabolic origin, but was not accumulated from the ovarian fluid prior to spawning. Lumpfish eggs become very sticky when they are first exposed to sea water, but this stickiness is lost within 24 h. Stickiness stems from a viscous elastic slime; it is suggested that the non-metabolic output of ammonia is caused by changes in the composition of the slime as the eggs are bound together in a lattice. Article in Journal/Newspaper Gadus morhua Cambridge University Press Journal of the Marine Biological Association of the United Kingdom 63 3 713 723 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
topic |
Aquatic Science |
spellingShingle |
Aquatic Science Davenport, John Lønning, Sunniva Kjørsvik, Elin Ammonia output by eggs and larvae of the lumpsucker, Cyclopterus lumpus , the cod, Gadus morhua and the plaice, Pleuronectes platessa |
topic_facet |
Aquatic Science |
description |
Cod and plaice eggs show a gradually increasing rate of ammonia excretion during development and in neither species was there a great change in individual output at hatching. The rates of ammonia excretion recorded for cod and plaice larvae were similar to those recorded for planktonic Crustacea of comparable size by Conover & Corner (1968). Lumpsucker eggs and larvae have a basically low rate of ammonia excretion (consistent with their slow rate of development and low oxygen consumption), but much ammonia was released from the eggs in the first day or two after spawning. This ammonia was of non-metabolic origin, but was not accumulated from the ovarian fluid prior to spawning. Lumpfish eggs become very sticky when they are first exposed to sea water, but this stickiness is lost within 24 h. Stickiness stems from a viscous elastic slime; it is suggested that the non-metabolic output of ammonia is caused by changes in the composition of the slime as the eggs are bound together in a lattice. |
format |
Article in Journal/Newspaper |
author |
Davenport, John Lønning, Sunniva Kjørsvik, Elin |
author_facet |
Davenport, John Lønning, Sunniva Kjørsvik, Elin |
author_sort |
Davenport, John |
title |
Ammonia output by eggs and larvae of the lumpsucker, Cyclopterus lumpus , the cod, Gadus morhua and the plaice, Pleuronectes platessa |
title_short |
Ammonia output by eggs and larvae of the lumpsucker, Cyclopterus lumpus , the cod, Gadus morhua and the plaice, Pleuronectes platessa |
title_full |
Ammonia output by eggs and larvae of the lumpsucker, Cyclopterus lumpus , the cod, Gadus morhua and the plaice, Pleuronectes platessa |
title_fullStr |
Ammonia output by eggs and larvae of the lumpsucker, Cyclopterus lumpus , the cod, Gadus morhua and the plaice, Pleuronectes platessa |
title_full_unstemmed |
Ammonia output by eggs and larvae of the lumpsucker, Cyclopterus lumpus , the cod, Gadus morhua and the plaice, Pleuronectes platessa |
title_sort |
ammonia output by eggs and larvae of the lumpsucker, cyclopterus lumpus , the cod, gadus morhua and the plaice, pleuronectes platessa |
publisher |
Cambridge University Press (CUP) |
publishDate |
1983 |
url |
http://dx.doi.org/10.1017/s0025315400071010 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315400071010 |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_source |
Journal of the Marine Biological Association of the United Kingdom volume 63, issue 3, page 713-723 ISSN 0025-3154 1469-7769 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0025315400071010 |
container_title |
Journal of the Marine Biological Association of the United Kingdom |
container_volume |
63 |
container_issue |
3 |
container_start_page |
713 |
op_container_end_page |
723 |
_version_ |
1792500018004885504 |