-AQUA-

Planted Freshwater Aquaria

[ravenwilde]

Hanging with Nessie

[ravenwilde]

Fish Gifs

Sometimes Google decides to turn my photos into gifs….

View On WordPress

[ravenwilde]

Let David Lynch and Mark Frost brew damn good coffee for Twin Peaks together. Showtime, please #SaveTwinPeaks! http://thndr.it/1aZT6V2

[ravenwilde]

#baby #bichirs have pretty well settled into the 65gal #bichir #polypterus #ornatapinnis #fish #fishofinsta #aquarium #aqua

[ravenwilde]

Baby bichirs are also out tonight. Must be the equinox. View in Instagram ⇒

[ravenwilde]

Nessie and the Angelfish explore their spacious new home View in Instagram ⇒

[ravenwilde]

Angelfish having a time out in quarantine for a persistent eye infection. Get well soon lil buddies! View in Instagram ⇒

[ravenwilde]

Video of the New Fluval 72L Edge Aquariums – Interzoo 2014

[simonsaquascapeblog]

Favourites: An Example by Paul Louis Duranton

Unusual Setup with Pagode-Stones.

This Guy is doing several interior, artistic Designs.

You can read mor about him here

[ravenwilde]

WOW.

[ravenwilde]

Met this little demon on my lunchtime walk today

[ravenwilde]

Baby #bichirs are also out tonight. Must be the #equinox. #bichir #bichirsofinstagram #aqua

[ravenwilde]

#Nessie and the #Angelfish explore their spacious new home. #aquarium #aqua #bichir #bichirsofinstagram #polypterus

[todropscience]

USING LIVING FISH TO STUDY ANCIENT EVOLUTIONARY CHANGES: How plasticity works in evolution race

Ambitious experimental and morphological studies of a modern fish show how developmental flexibility may have helped early ‘fishapods’ to make the transition from finned aquatic animals to tetrapods that walk on land.

The origin of tetrapods from their fish antecedents, approximately 400 million years ago, was coupled with the origin of terrestrial locomotion and the evolution of supporting limbs. Polypterus is a ray-finned fish (actinopterygians) and is pretty similar to elpistostegid fishes, which are stem tetrapods. Polypterus therefore serves as an extant analogue of stem tetrapods, allowing us to examine how developmental plasticity affects the ‘terrestrialization’ of fish. How else would you find out what behavioral and physiological changes might have taken place when fish first made the move from sea to land over 400 million years ago? putting a fish walking on land. To find out exactly what might have happened when aquatic animals first moved to land, Researchers took 111 juvenile Polypterus senegalus a fish species that goes by the common name Senegal bichir, or “dinosaur eel" — and raised them for eight months in a terrestrial environment. This environment consisted of mesh flooring covered in pebbles and just 3 millimeters of water — a precaution that, combined with water misters, prevented the fish from drying out. The researchers also formed a control group using 38 fish growing up in their usual aquatic environment.

Dinosaur eels also have gills, but they breathe at the surface regularly to increase their oxygen supply. They also occasionally use their fins to walk on land. Results raise the possibility that environmentally induced developmental plasticity facilitated the origin of the terrestrial traits that led to tetrapods.

Reference: Standed et al. 2014 Developmental plasticity and the origin of tetrapods. Nature

Photo by andripogo

[badstar777]

Ranchu-Dragon

[ravenwilde]

One and a half months ago (top) compared today. Looks like Illi (smaller) has at least put on some weight... Hard to tell if they're much longer though. #bichir #bichirsofinstagram #aqua

[ravenwilde]

Baby ornates are like, "shit, moving again?" Just upstairs this time guys, I promise. #aqua #aquarium #bichir #bichirsofinstagram #ornatapinnis

[ravenwilde]

THE FLUVAL EDGE EXPERIENCE – PART II: ADVENTURES WITH MOSS

This is part of a series of articles chronicling my experience with the 1st gen 23L Fluval Edge. It is largely based off of a 2011-2012 journal thread on plantedtank.net. If you haven’t already, read the first post in this series.

Almost immediately after I took the photos highlighted in the previous article, I sat back, took a good long look at my tank and decided that I still really wanted a moss carpet. Since the stainless steel mesh I’d initially tried this with had proven toxic and I did not like the way plastic mesh looks in a tank I decided to pay a visit to the local craft store and see what I could find to make a moss carpet a reality....

Read the rest at: aqua.ravenwilde.net »