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Observations on feeding behaviour and survival rates in the estuarine calanoid copepods <i>Acartia spinicauda </i>and <i>Heliodiaptomus cinctus</i> <span style="font-size:14.0pt;line-height:115%;font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";color:black;mso-ansi-language:EN-IN; mso-fareast-language:EN-IN;mso-bidi-language:HI" lang="EN-IN">(Crustacea: Copepoda: Calanoida)</span>

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Title Observations on feeding behaviour and survival rates in the estuarine calanoid copepods Acartia spinicauda and Heliodiaptomus cinctus (Crustacea: Copepoda: Calanoida)
 
Creator Shrivastava, Y
Fernandes, Brenda
Goswami, S C
Goswami, Usha
Achuthankutty, C T
 
Description 222-224
Experiments
were conducted on the calanoid copepods, Acartia spinicauda (Acartiidae)
and Heliodiaptomus cinctus (Diaptomidae) in order to determine food
preference and survival rates respectively. Adults of A. spinicauda were
fed monocultures of Tetraselmis gracilis (Chlorophyta) and Skeletonema
costatum (Bacillariophyta), whereas, adults of H. cinctus were fed
on five different combinations of phytoplankton feed . Total hourly differences
in pigment concentrations indicate that A. spinicauda preferred
to feed on T. gracilis (90.08%) as compared to S: costatum (55.87%).
A combined feed of Isochrysis galbana (50%) and Chaetoceros sp.
(50%) was found to be most satisfactory in case of H. cinctus as there
was no mortality till the 8th day and only 57% mortality on the 14th
day. However, total mortality occurred on the 15th day. The
results indicate that feeds played an important role in determining the
survival rates in H. cinctus.
 
Date 2014-01-15T08:54:36Z
2014-01-15T08:54:36Z
1999-06
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/25689
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.28(2) [June 1999]