'Gill arch' presentation slideshows

Echinoderms

Echinoderms. Examples. Sea stars, sand dollars, sea urchins, sea cucumbers. Echinoderms. Invertebrates Inhabit marine environments Most radially symmetrical No head (cephalization) Exoskeleton Calcium Carbonate Water-vascular system Water filled canals Tube feet

595 views • 43 slides

PERCH DISSECTION pictures to go along with lab

784 views • 31 slides

Fish Anatomy

Fish Anatomy . Anatomy/Physiology. Definition of terms: Anterior (cranial) toward the head Posterior (caudal) toward the tail Cranial head region Caudal pertaining to the tail region Dorsal toward the back of the animal Ventral toward the belly of the animal

683 views • 25 slides

Fish Dissection

Fish Dissection. Step 1. Step 2. Cut into the anus (also called the vent) of the fish. Step 3. Cut anteriorly ( towards the head). Cut in between the pelvic fins found on the ventral ( tummy) side of the fish. Step 4.

514 views • 15 slides

Prevalence of some parasitic agents affecting the gills of some cultured fishes in Sharkia, Damietta and Fayium governor

Prevalence of some parasitic agents affecting the gills of some cultured fishes in Sharkia, Damietta and Fayium governorates. By Diab, A. S.; * El-Bouhy, Z. M.; Sakr, S. F. and Abdel-Hadi, Y. M. Faculty of Veterinary Medicine, Zagazig University*

345 views • 13 slides

Fishes - Biology Coloration Pigments in chromatophores Specialized cells in skin

Fishes - Biology Coloration Pigments in chromatophores Specialized cells in skin Many fishes can change colors rapidly by expanding or contracting pigment (usu. melanins , carotenoids ) in chromatophores Hormonal and nervous control Structural colors

408 views • 10 slides

Your Inner Fish by Neil Shubin Chapter 10: Ears

341 views • 6 slides