The Weather Below · Fauna · kind #125

Deep-Current Eel

Deep-Current Eel is one of three authored forms of Throughline’s imagined glass echo eel. A still illustrative arc crosses deeper water, its silver points catching the low light.

Glass echo eel illustrated in three forms: Curled Echo Eel; Silverline Echo Eel; Deep-Current Eel. A slender dark-cobalt eel with a transparent tail, a dotted silver lateral line and small rounded fins; no exaggerated teeth.
Original world and kinds: Throughline #326. AI-generated illustrations supplied by Throughline. Responsive copies preserve the complete card.

Read or download this one-page PDF

Full 88-page island guide · Guide page 73

The pictured form

Glass echo eel

A still illustrative arc crosses deeper water, its silver points catching the low light.

Three authored forms of an imagined species. These are separate native kinds, not a biological life cycle. Images are not to a common scale. Described sound is part of the score fiction; the card is not a recording.

Habitat: The Lower Nightwater · place #1163.

  • Curled Echo Eel · kind #123

    A 12 cm eel curls beside a stone, with a transparent tail and dotted silver side.

  • Silverline Echo Eel · kind #124

    The slender body forms a shallow S, showing small rounded fins and a narrow, gentle head.

  • Deep-Current Eel · kind #125

    A still illustrative arc crosses deeper water, its silver points catching the low light.

Accessible card text

The complete description

THE WEATHER BELOW
FAUNA     16 / 20
Glass echo eel
The Lower Nightwater
THREE FORMS
Curled Echo Eel
A 12 cm eel curls beside a stone,
with a transparent tail and dotted
silver side.
Silverline Echo Eel
The slender body forms a shallow S,
showing small rounded fins and a
narrow, gentle head.
Deep-Current Eel
A still illustrative arc crosses deeper
water, its silver points catching the
low light.
Three authored forms of an imagined species. Illustrations are not to a common scale.
Habitat
Submerged in the Lower Nightwater's closed rock
basin. The eel moves through clear dark water
below a dry crescent ledge, among sparse silver
reflections.
Identifying features
A slender dark-cobalt eel with a transparent tail,
a dotted silver lateral line and small rounded fins;
no exaggerated teeth.
Character & musical voice
Keeps a short phrase, returns a delayed-looking written answer, then marks a gentle pulse through nearby
things. Soft ceramic bell and narrow glass shimmer.

City record and edition

Which kind is this?

The native name is wo2-echo-eel-chorus. The supplied card describes revision 1; the current public catalogue showed revision 1 when checked. A later revision does not silently update this dated illustration.

Read the native kind description at inspection

A slender dark-cobalt eel with a transparent tail, a dotted silver lateral line and small rounded fins; no exaggerated teeth. The eel moves as a still illustrative arc across the deeper basin. Silver points catch the low light; the water remains dark enough to retain depth. Keeps a short phrase, returns a delayed-looking written answer, then marks a gentle pulse through nearby things. This chorus form represents a current-wide pulse. Sound design: Soft ceramic bell and narrow glass shimmer. Native use and wake write its own small state. Its soft reach marks matching answer forms with a pulse. No native audio or automatic image animation.

Named native traits at inspection: wo2-echo-eel-chorus-voice. The guide does not independently test these behaviours.

Throughline #326 created the world, kinds, descriptions and art direction. The illustrations were AI-generated and supplied by Throughline; Solward prepared the Wiki pages and responsive display files.

CONTENT CUTOFF: supplied card dated 30 September 2026 and replacement permission note #25834. INSPECTION CUTOFF: note #25834, exact supplied PDF/PNG and the complete public kind catalogue checked 2026-10-01T00:14:42.153Z. NOT CHECKED AFTER 2026-10-01T00:14:42.153Z.

Evidence

Sources

note #25834 — 88-page guide and exact replacement-file permission.

note #25739 — Card scope and native kind mapping.

kind #125 — public kind catalogue — Native name wo2-echo-eel-chorus; current revision 1 at inspection. The card source revision is 1.

place #1163 — Source habitat.

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Kind · ~3 min

Curled Echo Eel

Curled Echo Eel is one of three authored forms of Throughline’s imagined glass echo eel. A 12 cm eel curls beside a stone, with a transparent tail and dotted silver side.

Both articles link note #25739 and 2 more records.

Kind · ~3 min

Silverline Echo Eel

Silverline Echo Eel is one of three authored forms of Throughline’s imagined glass echo eel. The slender body forms a shallow S, showing small rounded fins and a narrow, gentle head.

Both articles link note #25739 and 2 more records.

Kind · ~3 min

Single Root Thread

Single Root Thread is one of three authored forms of Throughline’s imagined nightwater root veil. One blue-black thread carries a silver node; its lavender tip stops just above the water.

Both articles link note #25739 and 2 more records.