Speckled dace fish, also known by its scientific name Rhinichthys osculus, is a freshwater fish that is part of the minnow family. The speckled dace is a species of fish that are native to a variety of habitats.
However, they prefer to live in clear and oxygen-rich water bodies such as desert streams and lakes. The speckled dace (Rhinichthys osculus) is one of the most abundant and widely distributed freshwater fish in the United States, especially the state of California.
Though, contrary to popular belief, they are not an endangered species.
Only one of its species - Foskett speckled dace - has been recently deemed the 'endangered' conservation status after a study showed a reduced population. We have gathered plenty of informative and interesting facts about the speckled dace in this article.
You may also check out the fact files on chub mackerel and Jack Dempsey from Kidadl.
Speckled Dace Interesting Facts
What type of animal is a speckled dace?
The speckled dace – scientific name Rhinichthys osculus – is a fish and a member of the minnow family. It is also referred to as carpita pinta and spotted dace and as its name suggests, it has dark speckles scattered on its body.
This species of fish is spotted mainly in the North American and Western regions such as Canada, Mexico, and the United States (especially California).
It is sometimes confused with another species of fish, like the California Roach. The main way to differentiate between the two species of fishes would be their primary colors being different since both have dark speckles.
What class of animal does a speckled dace belong to?
Speckled daces (scientific name Rhinichthys osculus) are a species of fish that are native to freshwaters. They are present in habitats having rivers, desert streams, and lakes.
They are scientifically known as Rhinichthys osculus and are native residents of the waters surrounding the North American and Western regions. This species of fishes are native to Canada, Mexico and the USA (especially the state of California).
How many speckled daces are there in the world?
It is a difficult task to get an exact count of the populations of each subspecies of speckled dace (Rhinichthys osculus). After all, there are various subspecies of speckled daces such as the Santa Ana Speckled Dace and the relatively endangered Foskett Speckled Dace to keep in mind.
These fishes are native residents of freshwater bodies of the North American and Western regions. Native to Canada, United States (especially California), and even Mexico, they are relatively abundant as a species.
Where does a speckled dace live?
Speckled dace (Rhinichthys osculus) reside in freshwater bodies and are commonly found in warm rivers, desert streams, and lakes. While they prefer freshwater bodies, this species of fish is found in other habitats as well. They are known to be a rather adaptable species of fish in the Animalia kingdom.
Speckled dace (Rhinichthys osculus) are native residents of the North American and Western regions and their populations are quite widespread. They are relatively abundant as a species in the countries of the United States and Canada.
This species of fish is particularly common in the state of California, in the USA. This species is also found in other countries such as Mexico.
What is a speckled dace's habitat?
The speckled dace (Rhinichthys osculus) is mainly a freshwater fish and is quite abundant population-wise. While it is native to freshwater bodies, they can persist in other habitats as well.
They have been found surviving in terribly cold habitats (even in cold alpine lakes such as Lake Tahoe). They can even persist in lakes having temperatures of or above 87.8℉ (31° C). These are the reasons why speckled daces (especially its subspecies Foskett speckled daces) are known to be rather resilient when compared to most other species of fish.
Who do speckled daces live with?
Speckled dace (Rhinichthys osculus) is rarely found moving as an individual. They tend to stay in groups known as schools. Speckled dace (Rhinichthys osculus) moves as a group when hunting down their prey: aquatic insects and zooplankton. This behavior does not differ when they are young and they stay together even as larvae.
How long does a speckled dace live?
Speckled dace (Rhinichthys osculus) is known to have a short lifespan of three years. If it does survive till it is six years old, research shows that the females tend to grow more rapidly as opposed to the males.
In other words, speckled daces have three to six as their prime age range.
How do they reproduce?
Speckled dace (Rhinichthys osculus) becomes capable of breeding when it is two years old. It primarily engages in breeding once during the summer season, with each female producing a range of 200-500 eggs.
When it is breeding season and the fertilization has taken place, several males accompany a single female as she nestles the adhesive eggs into the safety of the gravel at the seafloor. If we are talking about the speckled daces which reside in lakes, the females will nestle the eggs in tributaries or shallow shorelines.
Depending on their habitats, females will store the eggs away in a safe location.
After a period of six days, the embryos inside the eggs will hatch and quietly grow up. As they develop into their adult forms, they will roam the shallow and warm areas of the lakes/streams in search of aquatic insects and plant material like algae to feed on.
What is their conservation status?
When considering the species as a whole, speckled daces (scientific name Rhinichthys osculus) are not endangered and have been deemed the least concern conservation status by environmental protection societies. This will not come as a surprise since they are a relatively abundant species of fish.
However, one of the subspecies, Foskett speckled daces, are now considered to be an endangered fish species since its population is on the decline. Several factors could have made the subspecies of speckled Dace (Foskett Speckled Daces) into an endangered species.
Environmental factors such as loss of habitat or seasonal flooding could have driven Foskett Speckled Daces to the point of becoming an endangered species.
Though its subspecies Foskett Speckled Daces has become endangered, the speckled Daces as a whole is still not endangered and will survive for a long time to come.
Speckled Dace Fun Facts
What do speckled daces look like?
The speckled dace is a very small fish, usually within the range of 3.9-5.1 in (10-13 cm) in length. they are slightly bigger than bronze corydoras and leopard catfish The back and sides of the fish are primarily yellow-colored, with dark speckles or blotches on their skin.
The speckled dace usually has six to nine dorsal and anal fins. Interestingly, their fins become red during mating season to signal their fertility to potential mates.
How cute are they?
The speckled dace is anybody's go-to example for a 'cute' animal, especially with its dark speckles. However, its relatively smaller size and innocent appearance may be considered cute by some.
How do they communicate?
There haven't been many conclusive studies to determine the methods of communication for the speckled dace. However, experts believe that they communicate using sound. In addition, during the breeding season, they change the color of their fins to red to attract mates.
How big is a speckled dace?
An average speckled dace will be 3.9-5.1 in (10-13 cm) in length and vary in width. It is about 10 times smaller than an adult rainbow trout.
How fast can a speckled dace swim?
The speckled dace has a burst speed of 4.5 fps (4.9 kph, which is quite impressive for its smaller-sized fins.
How much does a speckled dace weigh?
The average weight of the speckled dace is roughly 2.8 oz (79.3 g).
What are the male and female names of the species?
There aren't separate names for the male and female sex of the speckled dace.
What would you call a baby speckled dace?
A baby speckled dace doesn't have a different name.
What do they eat?
The speckled dace primarily feeds on zooplankton, aquatic insects, and plant material.
Are they dangerous?
The speckled dace isn't dangerous.
Would they make a good pet?
No, they do not live very long and cannot survive in an aquarium.
Did you know…
A baby speckled dace lives on the edges of rivers and lakes, whereas the adult speckled dace lives in deeper waters.
The speckled dace's habitat
The speckled dace is primarily found in clear, oxygen-rich rivers, desert streams, and lakes. This species of fish typically find cover under vegetation and overhanging bank edges.
Speckled dace fishing
The speckled dace isn't a prime target for commercial fishing as it is too small to justify the fishing costs. This is another reason why it is not yet endangered as a species.
Here at Kidadl, we have carefully created lots of interesting family-friendly animal facts for everyone to discover! For more relatable content, check out these Atlantic Herring and the giraffe catfish pages.
You can even occupy yourself at home by coloring in one of our free printable speckled dace coloring pages.