brood pouch in Fishes

Parental Care in Fishes

Parental Care in Fishes We can define parental care as an association between parents and the offspring through which the chance of survival of young ones gets increased or any behaviour performed by parents that appears likely to improve the survival and reproduction of the young. In the case of Read more…

mandarinfish

Scales in Fishes

Scales in Fishes The term Scale is derived from the Old French “escale” meaning a shell pod or husk. Fish Scale Fish scales are part of the Fish’s integumentary system, and these are originated from the Mesoderm layer of the dermis. A fish scale can be defined as the rigid Read more…

migration in fishes

Migration in Fishes

Migration in Fishes Many fishes migrate on a regular basis, on a time scale ranging from daily to annually or longer. It may be of short distance over a few meters to thousands of kilometers. Reason for Migration in Fishes: Fishes usually migrate to feed, to reproduce, or in some Read more…

Scoliodon

Scoliodon – Dogfish, Classification and Characteristics

Scoliodon – Dogfish, Classification, and Characteristics The Scoliodons commonly called dogfishes are the requiem sharks in the family Carcharchinidae. These are found mainly in the Indo-West Pacific oceans from the western coasts of Africa to the south of Japan. Scientific classification of Scoliodon: Systemic Position of Scoliodon Phylum Chordate Subphylum Read more…

Planets in Our Solar System

The Solar System

The Solar System The solar system is a family of the Sun along with eight major planets, dwarf planets (Ex. Pluto), satellites, asteroids, Moons, meteors, and comets. All these orbit the sun to form the Solar System. Sun is our motherly and nearest star, which creates energy from nuclear reactions Read more…

internal structure of Herdmania

Herdmania- Sea Squirts

Herdmania- Sea Squirts Systematic position of Herdmania Kingdom- Animalia Phylum- Chordata Sub Phylum – Urochordata, Tunicata Class- Acidiacea Order- Pleurogona Suborder- Stolidobranchia Family – Pyuridae Genus- Herdmania Habit and Habitat: Herdmania is a sedentary filter-feeding tunicate found in marine habitats. The animal often occurs in a gregarious form. These are Read more…