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Fish
A fish is any aquatic vertebrate animal that is typically cold-blooded, covered with scales, and equipped with two sets of paired fins and several unpaired fins.
9,777 Questions
Why are whales classified as mammals and not fish?
Whales have tiny hairs on their backs, and mammals have to have hair to be classified as mammals, and fish CAN NOT have hair.
How much money is spent trying to get rid of the rainbow trout?
well they do not try to get rid of rainbow fish they sell them alot because they are worth alot of money
Is there such a fish as orange anchovy or orange roughy or roughy anchovy?
Orange roughy is a sea perch
Is flying fish the only fish that can fly?
No, in fact the flying fish can't fly, it glides how ever, a fresh water species called a hatchet fish is the only true flying fish as it flaps it's pectoral fins to achieve flight
What do green spotted puffer fish eggs look like?
a green spotted puffer fish egg looks like a fuzzy ball
What organ in the perch fish is most closely related in function to a human's ear?
The lateral lines are most closely related to the human ear. They detect vibrations not sound.
What color teeth do dolphins have?
A healthy Dolphin will have creamy white teeth, although the do stain to various shades of brown and grey as they age.
Are parrot fish invertebrates?
No parrot fish have a backbone and are a verterbrate. Invertabrates have no back bone or bones at all. That is how they are different from verterbrates.
What is the fastest way to kill a fish so it doesn't feel pain?
The Ikejime method is considered the most humane way to kill a fish (if they do feel pain). It involves spiking the brain, causing near instantaneous death.
Which mammal has the most teeth?
Opossums have the most teeth of any mammal - 50pointy teeth. When threatened, this slow critter often gapes its mouth open, exposing that mouth full of sharp teeth. It's just a threat display, however, and opossums very rarely bite.
Fish paper is made out of vulcanized fiber. Fish paper is used to wrap coils and is also used to insulate stove top parts.
Why would you not expect a sea star's egg to be heavily laden with yolk?
Sea stars have a very short development period and are not reliant on yolk as a source of food for an extended period. Sea star eggs may develop into larvae or directly into sea stars depending on the species.
What is composite fish culture?
In this system both local and imported fish species, a combination of five or six fish species is used in a single fish pond. These species are selected so that they do not compete for food among them having different types of food habitats.As a result the food available in all the parts of the pond is used. Fish used in this system include catla and silver carp which are surface feeders, rohu a column feeder and mrigal and common carp which are bottom feeders. Other fish will also feed on the excreta of the common carp and this helps contribute to the efficiency of the system which in optimal conditions will produce 3000-6000 kg of fish per hectare per year.
If a puppy tail get cut off will it grow back?
No it will not grow back. Dogs do not have the ability to regrow limbs.
The word rollmops refers to a pickled herring fillet rolled (hence the name) into a cylindrical shape around a piece of pickled gherkin or an onion.
What are some antarctic sea creatures?
There are many Antarctic sea creatures. Five of these amaizng creatures are an Antarctic octopus, sea spiders, tunicates, marine woodlice, sea lemons. Also Polarbears are not sea animals but howver they od swim in the cold waters of Antarctica
Why do plankton live in the sunlight zone?
Because they need the sunlight to carry out photosynthesis and survive.
"Yes! Fish eggs are jelly-like in texture. There are two different ways fish moms give birth. Some will lay their eggs in a safe, hidden environment where the eggs can grow safely in a nest. Others will keep the fertilized eggs in their bellies, until they hatch inside them and give birth."
The killifish found in Africa are from the genus Nothobranchius and are mostly colorful little fish.
Two species found in Tanzania are Nothobranchius rubroreticulatus and Nothobranchius thierryi.
What kind of fish can you use for aquaponics?
The fish and plants you select for your aquaponic system should have similar needs as far as temperature and pH. There will always be some compromise to the needs of the fish and plants but, the closer they match, the more success you will have.
As a general rule, warm, fresh water, fish and leafy crops such as lettuce and herbs will do the best. In a system heavily stocked with fish, you may have luck with fruiting plants such as tomatoes and peppers.
Fish that we have raised in aquaponics with good results:
- tilapia
- large mouth bass
- sunfish
- crappie
- koi
- fancy goldfish
- pacu
- various ornamental fish such as angelfish, guppies, tetras, swordfish, mollies
Other fish raised in aquaponics:
- blue gill/breem
- carp
- barramundi
- silver perch, golden perch
- yellow perch
- Tilapia
- Catfish
- Large mouth Bass
Plants that will do well in any aquaponic system:
- any leafy lettuce
- pak choi
- spinach
- arugula
- basil
- mint
- watercress
- chives
- most common house plants
Plants that have higher nutritional demands and will only do well in a heavily stocked, well established aquaponic system:
- tomatoes
- peppers
- cucumbers
- beans
- peas
- squash
