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Jellyfish can learn from experience even though they lack a brain

As one of the biologically simplest kinds of animal, we might have thought jellyfish can’t learn, but it turns out they can

Germany , Switzerland , Fribourg , Laline-paull , Simon-sprecher , Jan-bielecki-at-kiel-university , University-of-fribourg , Jan-bielecki , Kiel-university , Wild-life , Neuroscience- , Biology

Pirate spiders ambush prey by tricking them with lines of silk

A species of pirate spider in Costa Rica has a hunting strategy that has never been documented before in any spider

Costa-rica , Invertebrates , Spiders , Wildlife , Animal-behaviour ,

Why thousands of octopi live 80 miles off the Central Coast

The deep sea octopus typically leads a solitary life. That's why in 2018 marine scientists were shocked to discover thousands of octopi near the Monterey Bay.

San-jose-state-university , California , United-states , Monterey-bay-aquarium , Moss-landing , Monterey , Moss-landing-marine-laboratories , Monterey-bay , Amanda-kahn , Christian-balderas , Jim-barry , Field-museum

BBC News

divine life stages. they have their nymph stage where they live aquatic lay feeding on other aquatic invertebrates and then towards the april time they emerge from the water as it is quite a large robust fly species that then reproduces and they lay their eggs and die off until the next generation again. we said briefly in the introduction how you went about reintroducing the species, butjust talk me through that process. to species, but 'ust talk me through that mess.— species, but 'ust talk me through that mass.— species, but 'ust talk me through that trocess. ., , ., that process. to begin with, we had ve little that process. to begin with, we had very little data. _ that process. to begin with, we had very little data. it _ that process. to begin with, we had very little data. it had _ that process. to begin with, we had very little data. it had never- that process. to begin with, we had very little data. it had never been . very little data. it had never been done before, there had been a few trials but actually trying to close that life—cycle and figure out what they would feed on and how the adults behaved had never been done. it was a real learning experience as we went along, butjust by trying to replicate the natural environment as much as possible and provide environmental triggers is how we manage to be successful. and some amazing bits of information we found along the way such as things that are the adults were feeding on,

Fly-species , Nymph-stage , Water , Life-stages , Invertebrates , Lay-feeding , Species , Process , Ust , Talk , Mess-species , Generation

BBC News

refuge. but thejuvenile to cool the water to find refuge. but the juvenile fish and invertebrates, they cannot because they just cannot travel that far or they choose not to because they are very vulnerable if they leave their protected habitat. and so we are concerned that we will see mortality and some of those organisms. we also hear of algal bloom and there is a significant number of effects that are already being seen and, again, it is so early with this temperature. we are only injuly. typically we do not see this temperatures until august or september so we have a concerning summer ahead of us. it feels like an impossible question to ask because you cannot just call the water question to ask because you cannotjust call the water down yourself but what can be done? there is a tremendous amount of work being done and frankly it is inspiring. i think we can all appreciate that this is an

Water , Refuge , Invertebrates , Fish , Habitat , Travel , Thejuvenile , Some , Number , Organisms , Effects , Mortality

Breakfast

of different species — bats, birds, small mammals, invertebrates. you end up with a more complex, three—dimensional habitat, which can support a range of species. including this little beauty. she came as a complete surprise. the rangers didn't realise, but one of the bison was pregnant when they were moved here lastjuly. the calf was born in october. the bison are safe behind two fences. but in time, the kent wildlife trust, which runs this project, would like to allow walking safaris within the compound. but bison can weigh up to a tonne. would that be safe? they look intimidating because we're not used to seeing big wild animals in the uk, but in reality they are, they're very placid and theyjust mind their own business. they just want to go about doing their bison business and, you know, eating, grazing, resting up. and really, it's kind of reconnecting people with wild spaces and these wild animals, and proving that we can coexist.

Species , Habitat , Complex , Invertebrates , Range , Mammals , Birds , Bats , Beauty , Three , One , Bison

The Daily Global

but if we get further droughts, we can excite water levels to go down further and i will exacerbate the problem. further and i will exacerbate the roblem. �* ., problem. and some of the impact, then, of problem. and some of the impact, then. of this _ problem. and some of the impact, then, of this on _ problem. and some of the impact, then, of this on the _ problem. and some of the impact, then, of this on the whole - then, of this on the whole ecological system? so then, of this on the whole ecological system? then, of this on the whole ecolouicals stem? . , ., , ecological system? so the habitats that we have _ ecological system? so the habitats that we have are _ ecological system? so the habitats that we have are sensitive - ecological system? so the habitats that we have are sensitive to i that we have are sensitive to temperature. we have got a whole range of invertebrates in them. we have stone flies, caddis flies, mayflies. these are not the insects you're familiar with, but they are the small things that run the world. for example, the fish in those extremes, the trout and salmon, feed on those inverted populations for some also birds. the hearings we see where the kingfishers rely on this functional ecosystem. under the levels of pollutants we get in these rivers, especially under climate warming, we can really see an impact on that nature, and that affects a lot of us, notjust for anglers,

Problem , Impact , Some , System , Droughts , Water-levels , Whole , Roblem , Habitats , Insects , Temperature , Range

BBC News

to breed in captivity, we were able to collect the juveniles, but getting them to survive past six months has been really tricky. and that's partly because under water, the baby mussels have a strange, secret life. the babies look like a tiny version of the 19805 computer game character pacman. remember him — a circle with a big mouth? they use that to hitch a ride mouth on the gills of passing fish. if they can survive all that, they can live to be 140 years old. the thing about freshwater mussels is that they're probably one of the best bio indicators i know. so if you've got baby mussels in your river, you know, juvenile mussels in the river, it probably means that there's not much wrong with that river at all. also, they are a functioning part of the ecosystem, they create a habitat on the river bed, they will be good habitat for fish species and invertebrates. so that's why conservationists are also creating places for the mussels to live. one reason the numbers declined is because rivers were dredged, changing their habitat, so gravel and boulders are being put

Water , Babies , Baby-mussels , Juveniles , Secret-life , Version , Captivity , Computer-game-character-pacman , Six , 19805 , One , Pearl-mussels

Breakfast

we had little in the way of results. we got them to breed in captivity and collected the juveniles, we got them to breed in captivity and collected thejuveniles, but getting them to survive past six months has been tricky.- months has been tricky. partly because under _ months has been tricky. partly because under water, - months has been tricky. partly because under water, the i months has been tricky. partly| because under water, the baby mussels have a secret life. they look like a tiny version of the computer character pacman. they use the big mouth to hitch a ride on the gills of passing fish. if they survive that, they can live to be 140 years old. survive that, they can live to be 140 years old-— 140 years old. the thing about freshwater _ 140 years old. the thing about freshwater mussels, _ 140 years old. the thing about freshwater mussels, they i 140 years old. the thing about freshwater mussels, they are l freshwater mussels, they are probably one of the best bio indicators. if you have them in your river, it probably means there is not much wrong with the river. also, they are a functioning part of the system and create a habitat on the river bed and will be a good habitat for fish species and invertebrates. that is why conservationists are

Way , Water , Juveniles , Captivity , Results , Thejuveniles , Ten , Six , Life , Version , Baby-mussels , Passing-fish