Chronicles: Page 11

The lighting system used inexpensive 6000K MR16 bulbs in modular 3D-printed fixtures instead of conventional aquarium lights. The design made failed bulbs easy to replace, let fixtures be resized, and continued supporting Ludwigia, mangrove, grasses, and other plant growth.

Two days after duckweed was added, the floating plants had been completely eaten instead of spreading like they often do in aquariums. The result framed duckweed as a highly palatable food input for the freshwater food web rather than an immediate nuisance plant in miniBIOTA.

A male Atlantic sand fiddler crab displayed from his burrow and briefly attracted a female, but the courtship also drew in another male. The rival was pushed away, the female moved on, and the event preserved a failed but behavior-rich mating attempt on the Marine Shore.

A small amount of duckweed collected from Orlando lakes was added as a possible competitor against the algae in the freshwater side. The trial began with uncertainty: the duckweed could either be eaten quickly or establish enough surface growth to change the plant balance.

A dozen wild freshwater shrimp, including four pregnant females, were added to the Freshwater Lake after years without shrimp. The goal was to test whether the lake now had enough food and water-column life to support them, while added lake water might also bring in zooplankton for a stronger food web.

A red house spider in the biosphere corner captured one of the crickets and was also carrying a third egg sac. The observation confirmed that the spider was filling a predator niche and that cricket-to-spider energy transfer was occurring inside the connected system.

Water tests in the lake biome showed ammonia, nitrite, nitrate, phosphate, and pH all in good condition, even as algae and clam surfacing continued. The update pointed toward nutrient competition, Ludwigia root effects, crayfish activity, and crickets spreading across biomes rather than a simple water-chemistry failure.

Two new bay barnacles appeared on the back glass of the Seagrass Meadow after a decomposing algae clump broke apart. Their growth suggested a new recruitment event even though no first-generation barnacles were visible, while oysters and other filter feeders kept food availability competitive.

A sample from the suspended green algae in the Freshwater Lake was checked under the OpenOcular microscope adapter. The cells were photosynthetic and actively motile, with a tentative comparison to Chlamydomonas, but the identity remained open for expert review.

The escaped Hentz striped scorpion was recovered from a chair and safely transferred into the biosphere. Its small size and the available crickets and isopods made it a candidate predator, but its long-term effect on the terrestrial food web remained uncertain.

A small Hentz striped scorpion found at the new house was considered as a future predator for the connected biosphere. The first handling attempt failed when the scorpion ran up the keeper's arm and disappeared into the room, turning the introduction into an unresolved capture event.

After Ludwigia expanded in the lake biome, clams began surfacing and suspended algae increased. CO2 testing did not show high levels, leaving open questions about oxygen, root effects, water movement, and why the lake changed after years of stability.

The first wild-born crickets from the biosphere reached adulthood after about three months, with adult males beginning to sing. Their survival confirmed that crickets were not just hatching but completing development inside the ecosystem.

The marine wave system failure was traced to a slightly angled motor mount that shredded the belt. A redesigned adjustable mount got the system running again, but the outage caused at least one slipper snail to die after losing access to tidal water.

After the squareback marsh crab was removed, southern flat coiled snails were added to test whether the mangrove crab would prey on them or keep eating mangrove leaves. The mangrove crab stayed with leaves, but the orangeclaw hermit crab unexpectedly began hunting the snails, changing the predator story in the Lowland Meadow.

A nighttime survey found suspended algae in the lake, third-generation crayfish in the Lakeshore nursery, fewer insects in the terrestrial biomes, active coastal isopods, and many amphipods and isopods in the Seagrass Meadow. The squareback marsh crab appeared to be suppressing insects enough that removal became the next balancing step.

Red house spider babies hatched in the coastal biome and began appearing near their mother and around the tank. With crickets also establishing across multiple biomes, the spiderlings gained a likely food source and a chance to spread through the system.

A shredded belt stopped the marine wave system after the belt began riding up against an edge. The failure forced a redesign around the motor mount and returned the tank to bubbler support until the wave system could be repaired.

Clearer water made it possible to see how strongly the mottled shore crab was shaping the Seagrass Meadow. One female was eating dead grass blades and keeping her side of the meadow cleaner than areas without the same crab activity, pointing to a practical detritivore role for the species.

White Dutch clover seedlings began sprouting after an earlier suspected clover turned out to be wood sorrel. At the same time, the original red house spider was found with an egg sac after a second spider disappeared, suggesting the male had been eaten and a new spider generation might enter the ecosystem.