For some species of fish, reproduction is beyond casual Females release eggs into the water, males release sperm, and the eggs get fertilized No physical contact involved The male uses a bony organ on his chin called a priapium to hang on to the female’s urogenital opening, which is also on her head
Do fish have feelings?
While we might not be able to read pain on a fish’s face, the evidence is increasingly clear that they experience a range of emotions including fear, joy, relaxation and playfulness We know that fish have receptors to feel pain, experience stress when they are confined and, like us, try to avoid frightening events
Can fish change sexes?
Many species of fish, like the kobudai, are known as “sequential hermaphrodites”: they can switch sex permanently at a specific point in their lives The majority of “sequential hermaphrodites” are known as “protogynous” (Greek for “female first”): they switch from female to male
Do fishes cry?
Fish yawn, cough, and even burp “Since fishes lack the parts of the brain that set us apart from the fishes — the cerebral cortex — I doubt very much that fishes engage in anything like crying,” Webster told LiveScience “And certainly they produce no tears, since their eyes are constantly bathed in a watery medium”Oct 30, 2012
Do fishes feel pain when hooked?
Catch-and-release fishing is seen as a harmless hobby thanks in part to the belief that fish do not experience pain, and so they do not suffer when a hook pierces their lips, jaws, or other body parts
How can I tell if my fish is male or female?
Males are often slimmer but larger-bodied than females and are more vibrantly colored The dorsal and anal fins of the male are more pointed, larger and more flowing than in the female In many species, the male will display egg-shaped markings on the anal fin known as egg spots
How can you tell if a fish is pregnant?
As your female fish becomes pregnant, she will grow a bulge at the back of her abdomen This typically appears over the course of 20-40 days Does your fish have a red or black spot? Sometimes, when a female fish is pregnant, she will develop a “gravid spot” on the abdomen
Are all fish born male?
All fish are born as females and only later one of them transforms into a male If the male disappears, within a few days the oldest female will change sex to replace it Some species of fish do not even need a male of the same species for breeding, but a male of any species
Can fishes laugh?
Reports of playful laughter were notably absent in studies describing fish, amphibians and reptiles, perhaps because there is some question as to whether or not play exists at all in those animal groups, according to the study
Do fish get thirsty?
The answer is still no; as they live in water they probably don’t take it in as a conscious response to seek out and drink water Thirst is usually defined as a need or desire to drink water It is unlikely that fish are responding to such a driving force
Do fishes yawn?
Fish do not yawn, at least not the way we do They do open their mouths sometimes, but that is typically to attract mates or deter aggressors They do not breath in the same way we do, since they do not live in an environment of air Water passes through gills, allowing the fish to absorb it
Do lobsters feel pain when boiled alive?
3 Lobsters feel pain Zoologists have found that lobsters and other crustaceans don’t have this ability to go into ‘shock’ so when they are exposed to cruel procedures (such as having their claws or ‘tail-meat’ torn off or being boiled alive) — their suffering is prolonged
What do fish do at night?
While fish do not sleep in the same way that land mammals sleep, most fish do rest Research shows that fish may reduce their activity and metabolism while remaining alert to danger Some fish float in place, some wedge themselves into a secure spot in the mud or coral, and some even locate a suitable nest
Do fish have tongues?
With fish, the tongue’s function is to transport the food quickly into and through the mouth, where, in many species, an extra set (or sets) of jaws will grind the food In addition, the tongue moves oxygenated water through the mouth to the gills, helping the fish to breathe
Is my gold fish pregnant?
The first thing to know: there is no such thing as a pregnant goldfish These fish do not carry live young within them until gestation, and they do not give birth to live fish Goldfish are an egg-laying species
How do fish get pregnant?
In most cases, the female drops eggs in the water which are immediately fertilized by sperm from the male Another way is for fertilization to occur within the females body before she drops them into the water With the third and final method, the female retains the eggs within her body and the young are born alive
Why are my goldfish chasing each other?
If your goldfish are chasing each other around the tank, this is sometimes the lead up to mating and generally not cause for concern However, if your tank is overcrowded or your fish are in competition over food, your goldfish may become stressed and chase each other off in competition for resources
How do you tell if your fish is pregnant or just fat?
Carrying Eggs – One reason your fish may appear slightly bigger is because it is carrying eggs If your fish is a female, is not overly fat, and is normal in most other regards, this is a very high possibility Another indication is if your fish has an enlarged vent; this is where the eggs will come out
Can a fish get pregnant by itself?
Some species of fish reproduce by themselves These fish are females, and so are the young they give birth to It’s debatable whether this can actually be called ‘mating’ but it is certainly a way to reproduce The females may mate with males, but the sperm is not used for reproduction