AQUARIUM & POND ANSWERS;
Freshwater, Marine, Sick Fish, Lighting, Baths

This Aquarium Answers Post is simply for fish fin and fish anatomy identification.
The pictures can apply to most fish kept in freshwater and saltwater with the exception of Sharks, Rays, and Skate.

By Carl Strohmeyer-PAMR 40+ years experience
Updated 1/17/19

The first picture is of the anatomy of a bony fish (an Oscar).
Please Click on the picture to enlarge for a better view

Details include:

• Brain: Center of mental faculties of a fish.
• Esophagus: Part of the digestive tract connecting the mouth to the stomach.
• Dorsal aorta: Vessel in the back that carries blood from the heart to the organs.
• Stomach: part of the digestive tract between the esophagus and the intestine.
• Air bladder: Organ that regulates buoyancy in the water.
• Spinal cord: Nervous system part that connects the brain to the rest of the fish’ body
• Kidney: Blood-purifying organ. Common site for infections including dropsy
• Urinary orifice: Opening for urine elimination
• Genital Orifice: opening related to the genital organs.
• Anus: end of the digestive tract.
• Gonad: hormone-secreting sexual gland of a fish.
• Intestine: final stage of the digestive tract.
• Gall bladder: Small sac containing the bile for digestion
• Liver: Bile-producing digestive gland.
• Heart: Blood circulatory organ.
• Gills: Respiratory organ of a fish.
• Eye: Fish sight organ
• Olfactory bulb: Prominent part of the smell organ of smell of a fish.
• Pyloric cecum: Dead end related to the intestine.

ADVERTISEMENT

The second Picture is of the names of fish fins and lateral line also using an Oscar (Cichlid).
Please Click on the picture to enlarge for a better view

This includes:

• Pectoral fin
• Anal Fin
• Pelvic Fin
• Caudal Fin (tail)
• Dorsal Fin
• Lateral Line
• Nasal Opening
• Vent (anus)

Here is a picture of a Catfish for an example of adipose fins and barbels:
Please Click on the picture to enlarge for a better view

Here is a picture of Puffer Anatomy (note that this is an animated picture):

For Related Information:

A Healthy Aquarium

Aquarium Medications Facts & Information

Other Recommended Reference & Product Sites


Freshwater Aquarium Care; Basics to Advanced


Aquarium Information, Articles


Planted Aquarium Care

UV Bulbs
Premium UV-C Replacement Bulbs/Lamps to keep your UV Sterilizer at peak performance for Aquarium & Pond Disease Prevention, Redox Balance, and Green/Cloudy Water Control.

TMC New Generation Fluidized Sand Bed Filter

Premium, second to NONE Aquarium Bio Filters, that with optional Oolitic Sand, also maintains essential aquarium calcium levels, alkalinity, & electrolytes that are important to ALL Marine life, Goldfish, African Cichlids, Livebearers & more

Aquarium Sponge Filters by ATI & AAP

The Premium ATI Hydro Sponge Filter, from the only online seller with professional use dating back to 1978 (prior to the Internet)



*Sponge Filtration; How Sponge Filters Work

Aquarium Chemistry; Complete Basics to Advanced

ADVERTISEMENT

Labels: Anal Fin, Boby Fish, Caudal Fin, Dorsal Fin, Fins, Fish Anatomy, Fish ID, Fish Kidneys, Fish Olfactory bulb, Fish Vent, Lateral Line, Pectoral fin, Pelvic Fin, Pyloric cecum

# posted by Carl : 12:34 PM