Sex Dimorphism of C. aurantimaculata

Июль 21, 2022

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Биология
Sex Dimorphism of C. aurantimaculata

Содержание

2. Natural History of Aurantimaculata Type habitat: Dibrughar Same area as C. bleheri Biotope not accesible First
3. Climate and Breeding habits Hibernation Harz/Zellmer-Hypothesis: „Channa of NE-India need a cold hibernation“ Winter: water temperature
4. Channa with Sex Dimorphism 2001 – Breeding of C. sp. „lal cheng“ „Schnieder-Hypothesis“: different head shape
5. Female Pattern: only a few sprinkles on the side Colour (body): larger vertical stripes in orange/yellow
6. Sex Dimorphism of C. aurantimaculata Pattern Female only a few sprinkles on the side
7. Sex Dimorphism of C. aurantimaculata Colour Female: larger vertical stripes in orange/yellow
8. Sex Dimorphism of C. aurantimaculata Colour Female: larger area of brown, less interrupted
9. Sex Dimorphism of C. aurantimaculata Female: extension of head between eye and gillcover
10. Sex Dimorphism of C. aurantimaculata Shape of Body Male: slim overall body shape
11. Sex Dimorphism of C. aurantimaculata Resumee: Same differences – different sexes
12. Sex Dimorphism of C. aurantimaculata
13. Sex Dimorphism of C. aurantimaculata
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Natural History of Aurantimaculata
Type habitat: Dibrughar
Same area as C. bleheri
Biotope not

accesible
First description: Musikasinthorn 2000

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Climate and Breeding habits
Hibernation
Harz/Zellmer-Hypothesis: „Channa of NE-India need a cold hibernation“
Winter:

water temperature < 19 C°
Spring/summer: water temp. increasing slowly to 25 C°

Слайд 4

Channa with Sex Dimorphism
2001 – Breeding of C. sp. „lal

cheng“
„Schnieder-Hypothesis“:
different head shape
different coloring

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Female
Pattern: only a few sprinkles on the side
Colour (body): larger vertical

stripes in orange/yellow
Colour (back & head): larger area of brown, less interrupted
Shape (body): larger circumference compared to male partner
Shape (head): extension of head between eye and gillcover

Sex Dimorphism of C. aurantimaculata

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Sex Dimorphism of C. aurantimaculata
Pattern
Female only a few sprinkles on the

side

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Sex Dimorphism of C. aurantimaculata
Colour
Female: larger vertical stripes in orange/yellow

Слайд 8

Sex Dimorphism of C. aurantimaculata
Colour
Female: larger area of brown, less interrupted

Слайд 9

Sex Dimorphism of C. aurantimaculata
Female: extension of head between eye and

gillcover

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Sex Dimorphism of C. aurantimaculata
Shape of Body
Male: slim overall body shape

Слайд 11

Sex Dimorphism of C. aurantimaculata
Resumee: Same differences – different sexes

Слайд 12

Sex Dimorphism of C. aurantimaculata

Слайд 13

Sex Dimorphism of C. aurantimaculata