I went down to the local aquarium this morning. And I have a few photos to process. One, though, even though it's not as clear as I would like, made my day.
One of the volunteers, knowing that I was interested in hermits (I've been in before) showed me something he'd discovered; tubeworm hermits! So tiny that they were barely visible; specks of orange among the stones and shells.
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Discorsopagurus schmitti in calcareous tubeworm spirals. |
These tiny hermits are among the few species whose abdomen is not coiled to fit in a snail shell. (Any rule Ma Nature makes, Ma Nature breaks.) Instead, they use tubeworm shells, which, entire, are fixed to the substrate, or broken snippets of the empty tubes.
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A mass of these tubeworms, alive and trolling for food. |
The aquarium pumps in "live" water from just off-shore; it comes with tiny organisms, juvenile species, eggs ... They never know what's going to show up here. There are new discoveries every day.
Visité el acuario del pueblo esta mañana, y regresé con algunas fotos. Una, aunque no salió tan bien como hubiera querido, me hizo el dia.
Uno de los voluntarios, sabiendo que me fascinan los cangrejos ermitaños (no es mi primera visita) me mostró algo que había encontrado recientemente; ¡ermitaños que viven en tubos de los gusanos tubícolos! Tan pequeños eran que apenas podíamos ver unas motitas anaranjadas entre las piedras y conchas.
Foto: Discorsopagurus schmitti
Estos ermitañitos son unos de los pocos cuyo abdomen no forma un círculo para poder acomodarse dentro de una concha de caracol marino. Usan, en cambio, los tubos hechos por gusanos tubícolos; frescos, se encuentran adheridos al sustrato; también se pueden usar tramos de los tubos rotos.
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