The Development of the Vertebral Column of the Pacific Herring (Clupea pallasii)

1940 ◽  
Vol 5a (1) ◽  
pp. 11-22 ◽  
Author(s):  
Agnes M. Gwyn
Keyword(s):  
Vertebral Column ◽  
Clupea Harengus ◽  
Pacific Herring ◽  
Embryological Development ◽  
Vertebral Number ◽  
Clupea Pallasii ◽  
Additional Information ◽  
The Pacific

Embryological development is followed over a period of ten weeks after hatching. The mode of formation of the components of the vertebral column is compared with that in Clupea harengus, and is described in detail where differences are observed or additional information is available. Development appears essentially similar in the two species, although in general more rapid relative to length in C. pallasii. At hatching, myotome formation is complete and the ultimate vertebral number of an individual is presumably determined by that time. During ossification of the vertebral column, complex growth gradients from one or more centres are observed.

scholarly journals Adult body growth and reproductive investment vary markedly within and across Atlantic and Pacific herring: a meta-analysis and review of 26 stocks

2021 ◽  
Author(s):  
Thassya C. dos Santos Schmidt ◽  
Doug E. Hay ◽  
Svein Sundby ◽  
Jennifer A. Devine ◽  
Guðmundur J. Óskarsson ◽  
...  
Keyword(s):  
Egg Size ◽  
Meta Analysis ◽  
Reproductive Investment ◽  
Body Growth ◽  
Clupea Harengus ◽  
Pacific Herring ◽  
Atlantic Herring ◽  
Additional Information ◽  
Trade Offs ◽  
Investment In Reproduction

AbstractLife-history traits of Pacific (Clupea pallasii) and Atlantic (Clupea harengus) herring, comprising both local and oceanic stocks subdivided into summer-autumn and spring spawners, were extensively reviewed. The main parameters investigated were body growth, condition, and reproductive investment. Body size of Pacific herring increased with increasing latitude. This pattern was inconsistent for Atlantic herring. Pacific and local Norwegian herring showed comparable body conditions, whereas oceanic Atlantic herring generally appeared stouter. Among Atlantic herring, summer and autumn spawners produced many small eggs compared to spring spawners, which had fewer but larger eggs—findings agreeing with statements given several decades ago. The 26 herring stocks we analysed, when combined across distant waters, showed clear evidence of a trade-off between fecundity and egg size. The size-specific individual variation, often ignored, was substantial. Additional information on biometrics clarified that oceanic stocks were generally larger and had longer life spans than local herring stocks, probably related to their longer feeding migrations. Body condition was only weakly, positively related to assumingly in situ annual temperatures (0–30 m depth). Contrarily, body growth (cm × y−1), taken as an integrator of ambient environmental conditions, closely reflected the extent of investment in reproduction. Overall, Pacific and local Norwegian herring tended to cluster based on morphometric and reproductive features, whereas oceanic Atlantic herring clustered separately. Our work underlines that herring stocks are uniquely adapted to their habitats in terms of trade-offs between fecundity and egg size whereas reproductive investment mimics the productivity of the water in question.

Sperm-activating proteins from unfertilized eggs of the Pacific herring, Clupea pallasii

1995 ◽  
Vol 37 (3) ◽  
pp. 257-261 ◽  
Author(s):  
Shoji Oda ◽  
Yoshihiko Igarashi ◽  
Hideki Ohtake ◽  
Kosuke Sakai ◽  
Nobuyoshi Shimizu ◽  
...  
Keyword(s):  
Pacific Herring ◽  
Clupea Pallasii ◽  
The Pacific

Food of Clupea pallasii in Southern British Columbia Waters

1936 ◽  
Vol 1 (6) ◽  
pp. 477-486 ◽  
Author(s):  
G. H. Wailes
Keyword(s):  
British Columbia ◽  
Larval Stage ◽  
Pacific Herring ◽  
Important Food ◽  
Clupea Pallasii ◽  
The Pacific

The food of the Pacific herring Clupea pallasii consists during the larval stage principally of ova of various kinds with circular diatoms. No food was found in fish less than 9 mm. in length. Postlarvae and fry take the greatest variety of food, Copepoda and Cirripedia larvae being the most important items. Apparently the most readily available of suitable foods is taken. Adults confine themselves to a crustacean diet (except herring ova occasionally), Copepoda and Euphausiacea comprising the bulk of the food, Calanus predominating in the spring and Euphausia during the remainder of the year. Purse seined herring rarely contained any food. Copepoda are on the whole the most important food of the Pacific herring.

scholarly journals Phylogeography of amphi-boreal fish: tracing the history of the Pacific herring Clupea pallasii in North-East European seas

2013 ◽  
Vol 13 (1) ◽  
pp. 67 ◽  
Author(s):  
Hanna M Laakkonen ◽  
Dmitry L Lajus ◽  
Petr Strelkov ◽  
Risto Väinölä
Keyword(s):  
Pacific Herring ◽  
Clupea Pallasii ◽  
East European ◽  
North East ◽  
The Pacific ◽  
History Of ◽  
European Seas

scholarly journals Spatial variation in otolith elemental composition of the Pacific herring Clupea pallasii in northern Japan

2010 ◽  
Vol 10 (3) ◽  
pp. 283-290 ◽  
Author(s):  
K Yamane ◽  
K Shirai ◽  
Y Nagakura ◽  
M Yamaguchi ◽  
A Takiya ◽  
...  
Keyword(s):  
Spatial Variation ◽  
Elemental Composition ◽  
Pacific Herring ◽  
Clupea Pallasii ◽  
The Pacific ◽  
Northern Japan

The behavior of Pacific herring schools in response to artificial humpback whale bubbles

1997 ◽  
Vol 75 (5) ◽  
pp. 725-730 ◽  
Author(s):  
F. A. Sharpe ◽  
L. M. Dill
Keyword(s):  
Laboratory Experiments ◽  
Prey Species ◽  
Humpback Whale ◽  
Clupea Harengus ◽  
Humpback Whales ◽  
Pacific Herring ◽  
Marine Predators ◽  
Clupea Harengus Pallasi ◽  
The Pacific ◽  
Insight Into

There have been numerous reports of humpback whales and other marine predators deploying bubbles during foraging activities. However, the effects of bubbles on schooling prey organisms remain poorly understood. We conducted a series of laboratory experiments to gain insight into the effect of bubbles on the Pacific herring, Clupea harengus pallasi, a principal prey species of the humpback whale, Megaptera novaeangliae. The fish exhibited strong avoidance of bubbles and could be contained within a circular bubble net. The herring schools were also reluctant to swim through a curtain of bubbles even when frightened. However, herring were much more willing to cross a bubble curtain or net if there was a larger aggregation of fish on the opposite side. Individuals and small groups of herring also waited for less time before crossing than did larger groups. These experiments suggest that herring have a strong fear of bubbles and can readily be manipulated or contained within bubble nets by predators.

Sign in / Sign up

Export Citation Format

Share Document