Fish Anatomy

Master fish anatomy! Label parts and learn organ functions with our detailed worksheet.

Fish External Anatomy Label each part of the fish external anatomy by clicking on the blue dot and using the Internet.Word Bank:Scales, Caudal Fin, Posterior Dorsal Fin, Dorsal Fin, Anal Fin, Anus, Lateral Line, Eye, Mouth, Nostril, Pelvic Fin, Pectoral Fin, Operculum Mouth Nostril Eye Operculum Scales Lateral Line Dorsal Fin Posterior Dorsal Fin Pectoral Fin Pelvic Fin Anal Fin Caudal Fin Anus External Anatomy Description Complete the table with the description and function of each organ below using the Internet. Fish Anatomical Part Description Nostril Take in smells underwater, commonly found in carnivore fish. Operculum Protective covering for the gills. Scales The hard outer surface of the fish used for protection. Lateral Line Runs from the head to the caudal fin, detect movement and vibrations in the surrounding water as a part of the nervous system. Caudal Fin The tail fin that is primarily responsible for forward propulsion Dorsal Fin The fin on top of the fish, contains spines to provide stability and support during sharp turns and remaining upright. Posterior Dorsal Fin Does not contain spines, provides stability while swimming. Match the vocabulary terms with the correct definition. Icthyology Study of fish Osteichthyes Bony Fish Kingdom Animalia Vertebrate Animals with backbone Fish Internal Anatomy Label the internal anatomy of the fish by clicking on the blue dot and using the Internet.Word BankGills, Swim Bladder, Stomach, Heart, Liver, Intestines, Spine, Muscle Gills Spine Swim Bladder Stomach Liver Heart Intestines Muscle Fish Internal Anatomy Match the organ with the correct function using the Internet. Gills Respiratory organ, allows them to “breathe” oxygen in water. Water enters the mouth and fish absorb oxygen as the water passes over this organ. Swim Bladder A balloon-like internal organ that contains gas. By changing the amount of gas, a fish can move up or down through the water column. Stomach Digestion of food Heart Circulation of blood, in fish it is 2 chambered Liver Filters and cleans blood of impurities Intestines Digestion of food and movement of wastes Spine Primary structural framework upon which the fish's body is built; connects to the skull at the front of the fish and to the tail at the rear. Muscle Power source allows for movement in the water.