All aspects of fish biology | Contact experts in Ichthyology to get answers
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Questions related to Ichthyology
By disecting I wasn't able to determine the sex from the gonad even under a microscope.
01 January 2015 1,956 9 View
One of my collegue needs it.
01 January 2015 5,670 7 View
Micronucleus assay to be carried out on fish. I am attaching several images, Please tell us your opinion.
01 January 2015 5,618 5 View
relative to Ancylodiscoides ,Trichodiniasis and Ichthyophthirius multifiliis. Thanks.
29 December 2014 895 12 View
We use a short range DIDSON in Redwood Cr, and a long range ARIS in the Mad R. Redd surveys are independently counted in Redwood Cr. To date (3 yrs of data), we are not seeing any agreement with...
12 December 2014 1,626 8 View
12 December 2014 2,817 13 View
Population dynamics and age structure of fishes in a lake.
12 December 2014 3,106 12 View
Thanks in advance for your replies.
12 December 2014 2,662 4 View
Fishes and benthic invertebrates are often preserved in alcohol and/or formalin/formaldehyde for future identification and sorting, compiling very large historical libraries. Does anyone know if...
12 December 2014 2,901 11 View
It has been quite along time since our zebrafish laid eggs. We follow basic roles such as adjust light cycle light 8hr and night 16 hour, keep water temperature around 28 °C, pick slender yellow...
12 December 2014 4,645 12 View
Found it on Pachacamac island, near to the central coast of Perú. It was caught last Friday. A female had 6 spotted-young sharks to a litter. My doubt is that females were plain-coloured and the...
12 December 2014 9,187 7 View
01 December 2014 9,029 6 View
Does any one know how many time the abalone and freshwater angel fish eggs will hatch after incubation?
24 November 2014 6,507 4 View
Hello all: I am looking for any works dealing with the ultrastructure of the rostrum (bill) of any fish in the families Istiophoridae or Xiphiidae (bill-fishes), in particular of swordfish, marlin...
11 November 2014 6,120 6 View
11 November 2014 1,444 5 View
I'm interested in how to exploit cracks, microcracks, pits... found on skark teeth
11 November 2014 3,839 9 View
What primers have been used in the genetic identification of blue catfish and flathead catfish?
11 November 2014 4,916 2 View
I'd like to know "the degree of responsibility" of Micropterus salmoides in the decline of Esox lucius in Italy.
11 November 2014 6,891 3 View
Are there good working references to gene or it's primers set for detecting fish species (to cover most possible number of abundant fish species) in food samples using routine PCR?
11 November 2014 3,420 3 View
Hello I have used the 'standard' umbrella plastic anchor/dart (developed I believe by Michael Domier) for over 10 years to PAT-tag great white sharks, with much better retention of tag by shark...
11 November 2014 3,398 14 View
05 November 2014 4,361 3 View
04 November 2014 6,599 3 View
I am planning a functional response experiment with an invasive fish species and a native comparator. I am using 2 prey types, at 6 densities, resulting in 24 individual treatments (2 fish...
10 October 2014 4,099 4 View
The callionymid fish genus Protogrammus is represented by two closely related species living on soft bottoms at 70-300 m, with extremely restricted, but disjunct distributions: Protogrammus sousai...
17 September 2014 631 6 View