Our message for today, the International Day of Biological Diversity and tomorrow, the International Day of The Turtle, is ‘no to plastics’. Biodiversity is threatened more and more every day and it appears that the biggest threat to the environment and wildlife (especially sea animals) is plastic.
Plastic garbage, such as plastic bags, straws, bottles, cups, etc. end up flowing from landfills to our forests and seas (both at the beaches where we swim and in the bottom of the ocean as well).
The problem is enormous. Fish (even fingerlings) eat those plastics; seabirds have plastic in their stomach; cetaceans are also found often with plastic in their bellies, and even zooplancton feeds off plastic. What is left over is broken up into tiny pieces (the so-called microplastics), which can even penetrate fish skin.
This means that even us, humans, end up eating this plastic, since we consume fish. Most likely we already have microplastics in our bodies.
But we can all contribute to the reduction of plastic in our day-to-day and to help with cleaning beaches and sea floors, so that biodiversity survives and we also have a better future!
We say no to:
🚫 plastic bags
🚫 plastic bottles
🚫 plastic cups
🚫 single-use plastics
On the contrary, we can say yes to:
✔️ paper bags
✔️ reusable water bottles
✔️ tap water (instead of bottled)
✔️ metal straws
✔️ recycling when the use of plastic is unavoidable (such as with Coca-Cola bottles)
Did you know that cephalopod sex is entirely "Manual"?
Sex between cephalopods (Octopus, cuttlefish, squid etc etc) is one of the strangest acts in nature.
The male presents an arm from the curious spoon shape and slightly shorter than the others, called ectocotile, transformed into a body organ and used to transfer the spermatophores to the female. In fact, unlike most marine animals, the male does not free the spermi in the water column, but pack them in spermatophores, generous "gifts" which deposits directly into the chromatophores cavity of the female using the ectocotile. Fertilization is therefore internal, even if there is no real copula. This unsatisfactory sexual act can last over an hour.
In some species, such as those belonging to the genus Argonaut, it passes almost to "SM Marino": the modified arm differs and remains in the cavity of the female mantle.
Eggs will then be laid by the female in bunches that are fixed on hard substrates such as rocks or wood. At hatching, they will be released in the water of young people who are very similar to adults.
You can't say the sex life of cephalopods is fun and varied...
(image by pierangelo purak, BBC - Text Andrea Bonifazi - Scienze Naturali)