#osteoglossiform

[vintagewildlife]

Arapaima By: Unknown photographer From: Le Grand Fichier du Monde Animal 1975

[haveyouseenthisanimal-irl]

Range: The Amazon River Basin

[taxonomytournament]

Taxonomy Tournament: Fish

Osteoglossiformes. This order is made up of relatively primitive fish, which have bony tongues. Members include elephantfish and African knifefish.

Hiodontiformes. This order is made up of mooneyes, so called due to the shine of their large eyes

[mhaccunoval]

osteoglossiformes, otherwise known as the silly bitch club

[jojoshighfemmeadventure]

Elephant fish, order osteoglossiformes

dont fucking tell me what to do. this is inportant.

[animalids]

Silver arowana (Osteoglossum bicirrhosum)

Photo by Cláudio Dias Timm

[sunkentreasurecove]

[vintagewildlife]

Elephantfish (Petrocephalus sp.) By: J.-L. Lubrano From: Éditions Rencontre Cards 1978

[haveyouseenthisanimal-irl]

Range: Amazon River basin & Essequibo River basin

[taxonomytournament]

Taxonomy Tournament: Fish

Acipenseriformes. This order is made up of basal fishes with skeletons made mostly of cartilage. It includes sturgeons and paddlefish.

Osteoglossiformes. This order is made up of relatively primitive fish, which have bony tongues. Members include elephantfish and African knifefish.

[nailsalon75034]

T SHIRT SYMBOLIZES AROWANA RICH & LUCKY

Feng Shui Arowana - the symbol of wealth, opening the supply of wealth, peace

The dragon fish statue is considered a symbol of feng shui (https://en.wikipedia.org/wiki/Feng_shui) in folk culture, representing wealth, rich, wealth and prosperity. Products help open up the supply of wealth, peace, and bring fullness to life. Therefore, feng shui arowana has been chosen by many customers to display in their living space as well as as a high-class gift on a special occasion.

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https://en.wikipedia.org/wiki/Silver_arowana

  t-shirt-symbolize-arowana-rich by themagpie robinbird Via Flickr: Buy for link teespring.com/vi-VN/T-shirt-symbolize-arowana-rich

[encyclopika]

Animal Crossing Fish - Explained #61

Brought to you by a marine biologist figuring out species today...

CLICK HERE FOR THE AC FISH EXPLAINED MASTERPOST!

We’ve touched on the topic of species as a definition before when we covered the Bitterling. This goes beyond the trouble with common names we’ve covered, in that the exact definition of what a “species” is, is not a one-size-fits-all kinda definition. And that’s not good, because when we discover an organism or want to conserve an organism, or must make the call that an organism is extinct, it’s really important that we know the boundary of where that species ends and where it’s closest cousins begins. Otherwise, we can’t really say the species is new, needs to be protected, or is extinct already. Suspecting that one species may be two or more is an issue with today’s fish, the Arowana:

Another tropical fish us here in the Northern Hemisphere islands got access to in June, the Arowanas are a strictly freshwater group irl, of Genus Scleropages, native to rivers in Asia and Australia. This isn’t to be confused with the Arawanas of South America that look extremely similar, except that the back end is much more eel-like and they belong in a totally different Genus, Osteoglossum. Nevertheless, they all belong to the Order Osteoglossiformes, the bony tongues, making their closest relative in ACNH the Arapaima. Like the Arapaima, these fish can breath air, using their swim bladders that have the physostome connection between throat and swim bladder to gulp air at the surface to survive low-oxygen conditions in their habitats. You can read more about this in the Arapaima post.

Going down to species, this is definitely the Asian Arowana, (Scleropages formosus), of which there are a number of different varieties, and that’s where we get into today’s topic of speciation. The variety that shows up in ACNH is the Super Red variety of Asian Arowana:

This variety is native to the upper Kapuas River of Borneo. The rest of the varieties of this species come in different colors (like green, silver, gold, and blue) and they are native to different rivers throughout Southeast Asia, some separated by ocean, which means the groups will never meet, as the species cannot survive in saltwater for any amount of time. A study in 2003 suggested that it may actually be 4 different species, but it’s been heavily disputed for lack of any major evidence that would justify such a split. At first glance, though, having four groups of fish that look different and cannot intermingle is a sign that they may be different species, because we define species as:

groups of actually or potentially interbreeding natural populations, which are reproductively isolated from other such groups.

That’s Mayr’s Biological Species Concept. Of course, you can probably already think of instances where this breaks down, like in Bacteria that reproduce asexually and when two species that are obviously separate species (through their looks, where they live in nature, and genetics, among other things) hybridize and still produce offspring that can go have offspring of their own. It’s hard to have a definition when shit like that happens. Knowing whether two organisms can breed for the purpose of defining species is hard, expensive work that we can’t really do with every couple of species that would need it (and even still, it may not even mean much when hybridization is a thing). And you have to think that organisms will continue to evolve and change into the future. Defining a species today doesn’t mean it will be the same in a hundred years. Of course, nature really doesn’t care about our issues, because, at the end of the day, classifying things into neat little boxes is something humans do so we can understand the world. 

So, to be honest, when you get down to the nitty-gritty of it, there is no good definition of species. Yet, we still do our best to disentangle these relationships. So, for now at least, the Asian Arowana is still considered all one species, despite its differently colored members having 0 contact to reproduce together. It appears that color is really the only major thing separating them besides seawater. 

And there you have it. Fascinating stuff, no?

[malicious-fisheeves]

I made myself a fakemon. I love temnospondyls/osteoglossiformes so! that's what led me here. My art style is totally 180 from the official pokemon art style but I did my best. There’s information under the cut!

Abilities:

Aqua tail Muddy water

Hidden Abilities:

Brine

Information:

Arostega [ROCK][WATER] Small and somewhat elusive, these pokemon prefer estuaries and other bodies of water near oceans. What they lack in size they make up in confidence, and are willing to battle pokemon much larger than they are. Trainers find they are somewhat unruly, but their loyalty is as solid as their hard scales. Arawalker [WATER][ROCK] Less aggressive than their previous stage, Arawalker are more comfortable in water than they are on land. These medium sized pokemon are quite tough, ramming their head against foes, but tire easily due to their heavy armor. Priostera [WATER] Fully adapted to life at sea, these large pokemon patrol coastlines and estuaries in search of food. Rarely seen in the wild, they are rather gentle and seem slow, often seen sunning themselves in shallow water, however spring to action in battle.

[mbimphblog]

ICHTHYOFAUNAL DIVERSITY OF KINNERASANI RESERVOIR IN BHADRADRI KOTHAGUDEM DISTRICT OF TELANGANA, INDIA |  UTTAR PRADESH JOURNAL OF ZOOLOGY

In this study, the Ichthyofaunal diversity of the Kinnerasani reservoir in Telangana state was discovered. Sixty-one fish species were discovered, divided into eight orders, 19 families, and 40 genera. The order Cypriniformes dominated with 24 species, accounting for 39.34% of all species, followed by Perciformes with 14 (22.95%), Siluriformes with 13 (21.31%), Channiformes with 04 (6.55%), Beloniformes and Anguilliformes with 02 (3.27%), Osteoglossiformes and Cyprinodontiformes with 01 species each (1.64 percent ). Perciformes supplied 06 (31.57 percent) of the 19 families listed, while Siluriformes gave 05. (26.31 percent ). The current communication presents fish species baseline data as well as diversity indexes and conservation status. Please see the link :- http://mbimph.com/index.php/UPJOZ/article/view/2575

[outpost-31]

some more of these illustrations because I love them. so much.

and also it has a full 2-page centerfold spread on arapaima gigas/ osteoglossiformes in general and its amusing me

the fish magazine i found in my basement is intriguing me I wish I could read it. thank god it has pictures for my inept little brain

yes.. true perfection.